Oso GX Complete
Storm Blue


IN-STOCK and Available Now! - Updated 03/28/23

SKU: Oso L Blue GX Categories: , , , Tags: , , , ,


Click on these tabs to learn more about the purchasing process from BikeCo.com

Purchasing Steps from BikeCo.com (The Bike Company)

Place Your Deposit
Our team will contact you to go over common questions including common part swaps / upgrades, tuning considerations, initial setup requirements, etc.
Your bike will be built and setup for you including delivery documentation to help you better understand and fine tune the bike’s performance.

Remainder of balance is due at pickup or prior to shipment.
Delivery consultation on-site or available by phone / video conference goes over FAQ on a new MTB or eMTB highlighting common questions on suspension setup, bedding brakes, bolt checks, cockpit and seating fit, etc.
Our team will follow up several times after delivery to help you better understand minute adjustments. And of course we’re always available by phone, email or chat!

Availability Definitions:

IN-STOCK and Available Now!
Typically ready for pickup or shipment within 2-4 business days.
Custom components may change this window (we will advise).

AVAILABLE: Secure this Bike
Shows in-stock at the vendor (stock updated as often as possible).
Order is processed & shipped to BikeCo (typically 3-7 working days), built by BikeCo (usually on the day the product lands at BikeCo) for pickup or shipment.

PRE-ORDER: Due 1st week of XXX
Part of a inbound BikeCo order or shows available in this time window.
May be later or earlier than predicted depending on product availability.
Bike is due at vendor, will be quality checked, processed and shipped. (typically 3-14 business days) Built by BikeCo for delivery.

Ibis Oso GX Complete, Large in Storm Blue

Contact us about this Ibis Oso GX Complete, Large in Storm Blue eMTB today.

Check out the new 2023 Ibis Oso GX Complete. Review Spec, Compare sizing geometry, learn about popular upgrades and more!
Questions? Use the form below, chat, call 949-470-1099 or email CustomerService@BikeCo.com to chat with our sales team.

Ibis Oso Storm Blue GX Complete Side Profile

eMTB: Ibis Oso Storm Blue GX Complete Profile View

Ibis Oso Storm Blue GX Complete Front Quarter Profile

eMTB: Ibis Oso Storm Blue GX Complete Front Quarter

Ibis Oso: eMTB with Bosch Smart System

The Bosch Smart System paired with the always cutting edge DW Suspension on the Ibis Oso makes up the real “heart” of a ebike’s performance.

Bosch Drive Unit Performance CX

BOSCH Smart System

The Ibis Oso features the Bosch Smart System.

Bosch’s continual upgrades include upgrades to the display, software and firmware – but what riders will notice most in the improved Performance Line CD Gen4 drive unit and new 750Wh battery.

The abridged version? The Bosch Smart System is more responsive and has about 20% more range. (PowerTube 750 versus the previous PowerTube 625 battery).

The Performance Line CX offers a maximum torque of 85Nm giving you plenty of power for technical terrain, steep climbs and getting back up to speed.

Bosch Drive Unit Gen4

More on the BOSCH Motor

from Bosch’s Site:

More torque

More powerful than ever: Increased to 85 Nm, the torque has a noticeable effect on riding behavior. It accelerates faster, particularly at low cadences, and makes uphill starts much easier. The eMTB rider has more power available for whenever it’s needed.

Extended Boost

Impressive performance on the trail: Extended Boost is a unique function that helps you ride smoothly over roots, steps and stones, even when going uphill. With this function you can maneuver with greater ease and agility on challenging trails.

Perfect control

Ready for every challenge: The advanced eMTB mode ensures even better control on the trail, without having to switch riding modes. The motor responds much more sensitively to the rider’s effort, especially in low gears, enabling an extremely sensitive start.

Natural riding dynamism

Perfectly controlled support: The powerful 32-bit processor enables sensor signals to be processed at high speeds. Performance can be controlled precisely, offering eMTB riders the best possible support in all riding situations.

Thermal stability

For extreme loads: The Drive Unit is extremely efficient and, thanks to the completely maintenance-free 16-pin BLDC electric motor featuring the latest bar winding, it is characterized by great thermal stability. This ensures constant performance even under continuous load.

NEW Sporty efficiency

Choosing a sporty riding style can take you further with Tour+ mode. The riding mode rewards your slightly increased power input with greater energy efficiency: The harder you pedal, the more the drive will support you. If, on the other hand, riding is fairly easy, you’ll receive less assistance. This means that the battery is discharged more slowly.

Here’s how to quickly lube the chain on your eMTB with a BOSCH CX Performance Motor!

BikeCo.com owner Joe Binatena shows you how to quickly lube your eMTB with a BOSCH CX motor. First he removes his OneUp EDC tool from the steer tube. Then he finds the appropriate allen or torx for his chain ring bolts. Placing the tool securely in the fastener (you don’t want the tool to slip and damage the chain ring bolts!) he slowly rotates the cranks into the tool. Finally backpedal the bike and lube your chain like a standard MTB.

Learn more about the Ibis Oso’s FOX Float 38 Performance fork. 170mm, 44mm offset.

Air Spring & Volume Spacers

The FOX 38 provides riders a range of setup options using air spring as well as volume spacers.

Suggested sag is 15% for a firm feel and 20% for a plush fork. On the stock 170mm setup 15% equals 25.5mm of sag. 20% will use 34mm of sag.


Volume Spacers

The 170mm FOX 38 is factory spec’d with 2 volume spacers (bike manufacturers may or may not change this). The 170mm fork can carry a maximum of 5 volume spacers.

Do not install more volume spacers than the FOX advises. Installing more than the maximum volume spacers will result in  product damage and potential for injuries, etc.

Learn more about the FOX 38 on FOX’s Tuning Guide Here (opens in new tab)

Marzocchi Z1 Coil Rebound Adjuster

FOX 38 Performance with GRIP: Rebound Control

The FOX 38 Performance with GRIP damper provides riders with a singular rebound control (sometimes referred to as a “Low Speed” rebound).

10 clicks of rebound provide riders a range of tuning to match trail feel depending on ground speed and air pressures.

Riders looking for increased tuning capacity often upgrade to the GRIP2 damper with both high and low speed rebound as well as compression.

FOX Performance GRIP compression lever

FOX GRIP Compression Controls

The Performance GRIP offers a 3 position on-the-fly adjuster for Open, Mid and Firm.

FOX also offers micro-adjust detents between the settings.

As with the Rebound circuit, riders looking for upgraded tuning options gravitate to the GRIP2 damper, which can be added to a FOX Performance fork (producing what was a “Performance Elite” fork). GRIP2 has high and low speed compression as well as rebound circuits.

Learn more about the Ibis Oso GX Complete’s FOX Performance Float X2.

Air Spring & Volume Spacers

The Ibis Oso uses a 205 x 60mm shock.

The spec’d Fox Float Performance Elite X2 is the most popular based on its wide variety of setup options.

SAG is adjusted by PSI – typically Enduro riding styles gravitate to 25-30% sag. This would measure about 18mm for a plush setup.

Volume Spacers

Volume spacing provides fine tuning options to support the air spring.

By adding volume spacers, thus reducing the volume, you increase the air spring’s ramp rate for improved bottom out support and pop.

Conversely removing volume spacers produces a more linear feel as the air has more volume during shock compression per mm of travel.

Do not install more volume spacers than the FOX advises. Installing more than the maximum volume spacers will result in  product damage and potential for injuries, etc.

Low and High Speed Rebound Positions on FOX Float X2

FOX FLOAT X2 Rebound Controls

The X2 rear shock provides both Low (LSR) and High (HSR) rebound controls.

The addition of the High Speed or HSR control provides increased rebound control to account for the higher PSI produced by aggressive or heavier riders.

Typically riders will adjust LSR, Low Speed Rebound, to suit riding style and taste and refer to FOX’s guide for the appropriate HSR, High Speed Rebound, pairing.

Low Speed Rebound is located near the Compression Controls and 2 position switch. High Speed Rebound adjustments are made on the opposite end of the shock near the eyelet.

High and Low Speed Compression Controls on FOX X2

FOX X2 Compression Controls

The FOX X2 provides Low and High speed compression controls to fine tune support as well as a 2 position OPEN or FIRM switch..

Compression circuits hydraulically damp (or slow) the fork’s input assisting the air spring in providing appropriate mid-stroke and bottom out feel.

Low Speed Compression helps provide mid-stroke support. This allows a bike to ride taller in the travel in cornering while resisting brake dive, rider weight shift and other slow shaft speed inputs.

High Speed Compression works to fine tune bottom out feel as well as other high shaft speed inputs also known as square edge bumps. Example: if you sprint straight into a curb you’re likely to engage the High Speed Compression even if you’re not using full travel. This is due to the speed of the shaft moving oil to compensate for the hit.

The FOX X2 provides 16 clicks of Low Speed Compression adjustment as well as 8 clicks of High Speed Compression controls.

Learn about suspension setup basics on the following tabs. Each tab has a video with the basics of Air Spring / PSI, Volume Spacers, Compression, Rebound (or watch it all in one place with the final tab).

Each tab has a text section with a bit more in-depth look at the typical MTB suspension settings and how they intertwine.

PSI / Spring Rate

MTB suspension must accommodate a wide range of rider weight. To achieve this nearly all forks and rear shocks use an adjustable air spring.

By varying air pressure riders set a desired sag, or percentage of travel that the bike “sits into” under neutral loading.

Modifying this sag percentage will change small bump compliance as well as bottom out characteristics.

Learning how to Pre-Charge your suspension pump will help you make finite adjustments to sag.

Typically 15% sag is for a firm setup and 20% sag is considered plush.

Air Spring Fine Tuning Control(s): Volume Spacers & Compression

Volume Spacers
Air springs ramp rate, sometimes called Spring Rate, is based on how air compresses in the containment cylinder. As the air is compressed the PSI increases according to the decreasing volume of the containment. This is done via non-compressible volume spacers in the air chamber.

Hydraulic damping assists air spring providing support in mid-stroke and bottom out.

Opposing Control: Rebound.
Higher spring rate will drive the suspension back to neutral with more force than a lower spring rate. To keep the bike from skipping across trail rebound damping is utilized.

Volume Tuning

As suspension compresses (travel reduces) a piston moves closer to the end of a sealed container. By decreasing the volume of the container the PSI pushing back on the piston is increased.

By adding or removing non-compressible volume spacers riders modify the air spring’s ramp rate which directly changes the amount of support and bottom out feel of the fork or shock.

By removing volume spacers a rider increases the available volume in the suspension. The larger volume compresses less per mm of travel resulting in a lower PSI per mm of travel. This creates less support and is utilizes more travel.

Adding volume spacers decreases the available volume. With less air volume the PSI per mm of travel increases providing more support and greater resistance to bottom out.

Opposing Control: Rebound.
Rebound may need to be adjusted for volume tuning depending on how drastic of a PSI change is being tuned in or out of the suspension.

“Helping” Control: Compression.
Compression provides additional support and bottom out resistance.


Compression controls provide damping to slow suspension travel as a load is applied and the suspension is compressed. (easy one right?)

When riders have found sag and volume spacing preferences compression controls provide minute adjustments to dial in performance. Adding compression provides more support allowing the suspension to ride taller in its travel which is important when dialing in a bike’s personality in corners, etc.

With too little compression a bike will sit deep in the travel. This compromises cornering and braking force resistance. Headtube angle, bottom bracket height, front to rear weight bias, etc are modified as a bike goes through its travel. Maintaining control of the use of travel is paramount for good performance.

Since compression hydraulically slows the suspension’s use of travel it therefor lowers the air spring’s PSI. Properly setting compression controls will help ease the load on the rebound system by controlling the air spring’s push back onto the rebound circuit.

Too much compression will cause a bike to feel harsh and not use appropriate amounts of travel.

Generally, compression settings are fine tuned after sag and volume spacing have riders “in the ballpark.”

Low speed compression controls mid-stroke as well as support in cornering and against brake dive.

High speed compression helps with bottom out and high shaft speed inputs.

3 positions switches are a type of compression circuit with Open the most plush, Mid providing some additional support and Firm for climbing. If you climb in firm remember to put it back to plush for the downhill or you’re in for a potentially rough ride.


Rebound damping controls a suspension’s shaft speed returning to a neutral position. Or, how fast the air spring pushes back as the load changes.

More rebound damping slows the suspension by decreasing the amount of fluid allowed to pass through the hydraulic design.

Less rebound damping allows the suspension to return faster with less hydraulic restriction on the damper.

Rebound setting is based on weight, ground speed, terrain and aggression. Setting the rebound properly means finding the right frequency or feel for your riding.

If your rebound is too fast, or doesn’t have enough clicks of rebound, the bike will tend to skip and suffer poor small bump compliance.

When the rebound is too slow, or you have too many clicks of rebound, the suspension may “pack up” creating a harsh ride as each bump uses progressively more travel forcing the suspension deeper into the travel, which will have higher spring rates.

Opposing: Air Spring PSI / Spring Rate.

“Helping” Control: Low & High Speed Rebound.

Some suspension is designed with 2 rebound circuits. The High Speed Rebound circuit is designed to provide additional control resisting increased PSI late in suspension travel.

Typically High Speed Rebound settings are used as the Low Speed Rebound controls edge towards closed. Example: you might not use any clicks of High Speed Rebound until you reach “X” clicks on the low speed.

Ibis Oso Geometry

Compare Ibis Oso Geometry

Open the tab to the right to display our interactive mtb geometry comparison.

You can compare bottom bracket, chainstay, wheelbase, headtube angle, trail, reach and stack as well as learn more about rider’s reach and rider’s stack!

*remember the Ibis Oso is a 29″ in Large & X-Large and a ‘Mixed Wheel’ 29″ front and 27.5″ rear in Small & Medium

Ibis Oso Geo Chart
A Seat Tube length 394 mm 415 mm 415 mm 427 mm
B Top Tube length 573 mm 607 mm 638 mm 669 mm
C Head Tube Length 90 mm 106 mm 122 mm 139 mm
D Chainstay Length 439 mm 439 mm 444 mm 444 mm
E Seat Tube Angle 77° 77° 78° 79°
F Head tube angle 64° 64° 64° 64°
G Wheelbase 1206 mm 1242 mm 1294 mm 1341 mm
H Bottom Bracket 341 mm 341 mm 340 mm 340 mm
I BB Drop 31 mm 31 mm 31 mm 31mm
J Stack 621 mm 635 mm 650 mm 665 mm
K Reach 430 mm 460 mm 500 mm 540 mm
L Trail 132 mm 132 mm 132 mm 132 mm

Under Construction!

Ibis Oso Sizing

Ibis Oso Sizing Guide

From Ibis’ site:

Sizes : Rider Size CM ( Feet / Inches)
Small:  ~ 152 – 165 cm  ( 5′ 0″ – 5′ 4″ )
Medium: ~ 163 – 175 cm  ( 5′ 3″ – 5′ 8″ )
Large: ~ 173 – 185 cm  ( 5′ 7″ – 6′ 1″ )
X-Large: ~ 183 – 198 cm  (6′ 0″ – 6′ 6″ )


Determining the right size Ibis Oso starts with your height. But it doesn’t end there.

For riders near the size transitions your inseam length, arm length and shoulder width are factored into the sizing for the best performance. A shorter inseam and arm length may benefit from a slight downsize while riders with longer than average inseam or arm length often find the “bigger” bike is correct. The goal is to get you on a bike able to run a contemporary stem length which allows you to easily weight both the front and rear wheel in a variety of terrain conditions.

Furthermore, depending on the terrain you enjoy, your experience and ground speeds you might go up or down a size. Our team is here to help you define what size Ibis Oso is right for you and your riding. Email, call 949-470-1099, or use the on-site chat to contact one of our sales experts now!

Thinking about another size? Check out other in-stock Ibis Oso models or keep scrolling for more details on the Ibis Oso GX Complete spec.

Other In-Stock Ibis Oso Variations:

Ibis Oso GX Build – MSRP $10,999

155mm of rear travel paired with a 170mm fork the Ibis Oso GX Complete is ready to attack the big terrain.

Ibis spec’d the Oso with FOX suspension, BlackBird Send wheels, SRAM Eagle drivetrain, Shimano Brakes and Bosch Smart System drive unit.

Learn more about the Oso’s part spec as well as some common upgrades below!

note: supply chain issues may result in frequent substitutions for similar parts at Ibis’ discretion.

Ibis Oso GX Kit – MSRP $10,999

Fox Performance Series, Float 38, 170mm, 29″, 110x15mm

Fox Performance Elite Series, X2, 205x60mm

Bosch Performance Line CX

Blackbird Send I/ Send II, Aluminium, Ibis Hubs
SM-MD: F – 29”/R – 27.5”, LG-XL: F/R – 29”

Front Tire:
Maxxis Assegai, 29×2.5″, Dual Compound, Double Down, TR, WT

Rear Tire:
Maxxis Aggressor, 29×2.5″, Dual Compound, Double Down, TR, WT
Size SM–MD comes with a 27.5×2.5″ rear tire.

Shimano XT M8120, 4 piston

Shimano SM-RT66, 220mm

SRAM EX1 E-Crank, 34T ring, Ibis spider

Bottom Bracket:

Rear Derailleur:

Shift Lever:

SRAM GX, XG 1275, 10-52


Chain Guide:
Ibis Top Guide

Cane Creek 40 ZS44/ZS56

Lizard Skin Charger Evo

Ibis Carbon Hi Fi, 31.8mm, 800mm

Ibis 31.8mm

Bike Yoke Revive Dropper
S: 125mm, M: 160mm, L: 185mm, XL: 213mm. Note there is a 250lb rider weight limit on this post.

SDG Bel-Air, V3

Common Ibis Oso Upgrades: AXS, Grip2 Damper, Brakes, Rotors, Pro Tune Suspension

Popular Upgrades to the Ibis Oso GX Complete

There are a variety of popular upgrades or part swaps on the Ibis complete bikes. Flip through the tabs below to explore some of the most popular including Brakes, Tires, Chain Guides and Frame Protection.

Magura MT5 with HC Lever Upgrade

Brake Upgrades

Along with tires the most common upgrade or swap to a stock Ibis build is brakes.

Brakes are extremely important to your bike’s personality as well as your confidence on trail.

Finding brakes with the right modulation and power for your riding style allows you to further fine tune performance with rotor size.


Brake modulation is how the lever position relates to the amount of power at the caliper.

Brands like Magura and Hope offer great modulation. A slight pull on the lever will produce less pressure at the caliper and increases as lever throw continues. Magura riders can fine tune this even further with a variety of short or long brake levers to further modify the leverage ratio. In fact, Magura offers brake levers with adjustable modulation!

The revised Hope brakes have improved power to go with the previously great modulation.

TRP provide power similar to Shimano with a touch more modulation partially derived from the longer brake lever.

Shimano brakes have less modulation and the power tends to “come on” quicker. This isn’t necessarily good or bad – it’s just a personality.


Magura and Shimano offer similar levels of total power differing in personality more on modulation than max power or feel.

The new Hope brakes have an amazing level of power compared to previous versions – now on par with the Magura and Shimano options.

Pricing / Value

Interested in updating the brakes but on a tight budget? Check out the Magura MT5. In many cases it’s available as a No-Cost upgrade. Cost conscious yes, light on performance or service life? Not a chance. The MT5 brake is the most popular offering here at BikeCo.com

Ibis Oso GX Complete Tire Upgrades / Swaps

The Ibis Oso GX kits are spec’d with Maxxis Assegai Dual Compound, Double Down 29×2.5″ front tires. The rear tire is spec’d with a Maxxis Aggressor 29×2.5″ Dual Compound Double Down (Small / Medium is spec’d with a 27.5″ tire).

Since tires play such a big role in a bike’s personality it’s very common for clients to swap to other tread patterns, sidewalls or sizes.

Some of the most popular changes are listed below.

Maxxis Assegai Tread Pattern Detail

Front Tire: Spec’d Maxxis Assegai, Double Down

A bike build for Downhill Both Ways needs traction for confident riding. Ibis spec’d the Double Down sidewall Assegai 2.5″ to give riders just that.

Riders might shop variants of the Assegai in EXO+ or the Minion DHF for a slightly lighter and faster rolling setup.

Enduro Rear Tire Comparisons

Rear Tire: Spec’d Maxxis Aggressor Double Down

A fast rolling tire the Double Down Aggressor is, well, maybe an aggressive choice? The Double Down sidewall does provide improved damping and allows a range of tire pressures however, if you’re not sure and want a touch more grip many riders gravitate to the DHF or DHR II as a rear option.

Chat with our team about the personality differences and why you might want something with a bit more bite cornering and stopping with a heavier eMTB compared to your pedal rig…

Double Down EXO+ and EXO Sidewall Comparison

The EXO+ stock tires are a popular option balancing sidewall support capable of attacking burly terrain without adding too much rolling weight.


EXO+ construction combines two puncture protection materials: SilkShield and EXO. The SilkShield layer runs from bead-to-bead with a layer of EXO along the sidewalls. Combined, these two materials create EXO+ which improves tread puncture protection by 27%; sidewall durability by 51%; and resistance to pinch flats by 28%.

Riders looking for additional sidewall support and resistance to damage will shop the Double Down or DD options

Double Down

DoubleDown (DD) is the next step in the evolution of the dual-ply tire casing for enduro racing. Two 120 TPI casing layers reinforced with a butyl insert provide the enduro racer with the support and protection of a downhill tire, but in a lighter package.

The “light” tire option for most enduro riders would be the EXO sidewall.

EXO Sidewall

An extremely cut-resistant and abrasion-resistant material added to the sidewalls of select mountain tires. This densely woven fabric is also lightweight and highly flexible, ensuring that the performance of the tire remains unaffected. Choose EXO Protection for exceptionally rocky, treacherous trails where the chance of sidewall cuts and abrasions is high.

RideWrap Frame Protection Installation

RideWrap Frame Protection

A popular upgrade for any mountain bike, we offer two options of RideWrap Frame protection.

The RideWrap Tailored Kit covers the majority of your frame based on individual model size and shape. This is a $95.00 addition. We will install the Tailored kit for an additional $250.00 labor at time of initial build.

RideWrap’s Covered Kit protects the high wear areas such as downtube, top tube, etc. Custom trimming of the stock Covered Kit helps with fitment depending on model and size. The Covered Kit is $65.00 and installation is $150.00 at time of build.

Installing RideWrap isn’t particularly hard – but it is time consuming. Thinking about doing the labor yourself? Awesome! Check out a quick video on the installation process below.

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