Ibis Oso – GX


SKU: ibis-oso Categories: ,


IB-706994 – Oso – GX – w/Ibis Send 29in

A whole new sport demands a whole new bike. Built from the ground up to deliver a new level of smooth, fast, and durable performance, the full-carbon-fiber Oso features our first-ever upper-link suspension dw-link platform. It stacks 155mm of rear travel with 170mm up front and is powered by a Bosch Performance line CX motor.


The Oso doesn’t just lean into enduro ter­ri­to­ry. It drops in, elbows out and gog­gles down. The long wheel­base, roomy cock­pit and slack 64-degree head angle were inspired by our race-win­ning Rip­mo. And its size-spe­cif­ic seat angles allow rid­ers of any height to bang out climbs in com­fort with­out wast­ing a watt.

Size specific chainstays and wheel configuration

Large and extra large Oso frames are built around match­ing 29-inch wheels, while small and medi­um frames get the mixed-wheel treat­ment and short­er chain­stays. That keeps the Oso from ever feel­ing unwieldy. In fact, it’s pret­ty damn wieldy.

Component Standard Component
Fork Fox Performance Series, Float 38, 170mm, 44mm offset, 29″, 110x15mm
Shock Fox Performance Elite Series, X2, 205x60mm
Motor Bosch Performance Line CX
Wheels Blackbird Send I/ Send II, Aluminium, Ibis Hubs, SM-MD: F – 29”/R – 27.5”, LG-XL: F/R – 29”
Tires Front: Maxxis Assegai, 29×2.5″, 3C Maxxgrip, Double Down, TR, WT; Rear: Maxxis Aggressor, 29×2.5″, 3C Maxxgrip, Double Down, TR, WT

Size SM–MD comes with a 27.5×2.5″ rear tire.

Brakes Shimano XT M8120, 4 piston
Brake Rotors Shimano SM-RT66, 220mm
Cranks SRAM EX1 E-Crank, 32T ring, Ibis spider
Rear Derailleur SRAM GX Eagle
Shift Levers SRAM GX Eagle
Cassette SRAM GX, XG 1275, 10-52
Chain SRAM GX Eagle
Chain Guide Ibis Top Guide
Headset Cane Creek 40 ZS44/ZS56
Grips Lizard Skin Charger Evo
Handlebar Ibis Carbon Hi Fi, 31.8mm, 800mm
Stem Ibis 31.8mm

S/M: 40mm, L/XL: 50mm

Seatpost Bike Yoke Revive Dropper

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

Saddle SDG Bel-Air, V3

Pick Your Size

The Oso doesn’t just lean into enduro territory. It drops in, elbows out and goggles down. Large and extra large Oso frames are built around matching 29-inch wheels, while small and medium frames get the mixed-wheel treatment and shorter chainstays.


Frame Material Carbon Fiber
Wheel Size 29” up to 2.5″ tires on L/XL, 27.5″ up to 2.6″ on S/M
Front Travel 170mm forks (Max 190mm)
Rear Travel 155mm
Boost Axles 148mm rear / 110mm front
Seatpost Diameter 31.6mm
Rear Brake 203mm post mount / 220mm max
Chainstay Length S/M 439mm, L/XL 444mm
Bottom Bracket NA
Chainline 55mm chainline, 182mm Q Factor
Chainguide Compatible with Bosch Smart System Chain Guides (M/L/XL), Gen 4 (S)
Headset ZS44 upper / ZS56 lower
Colors Forrest Service Green or Storm Blue
Sizes S / M / L / XL
Frame Warranty 7 years
Electronics Warranty 2 Years
Motor Bosch Performance Line CX
Battery Bosch 750 Wh Powertube (M/L/XL), 625 Wh Powertube (S)
Charger Bosch Smart System Charger
Display Bosch Kiox 300

Additional information


Forest Service Green, Storm Blue


S, M, L, XL


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