Oso HD 2026
How current the bike is — newer chassis, motor and battery score higher. 10 = brand-new, 0 = legacy.
The Ibis Oso HD is the enduro-focused, high-travel member of the reworked 2026 Oso family, sitting above the trail-oriented Oso TR and the Oso S. It runs 180mm up front and 165mm out back on a carbon dw-link chassis with V5 kinematics, and Ibis flags the rear end as coil-friendly.
Power comes from Bosch's Performance Line CX Gen 5 motor with up to 120Nm of torque and a 600 per cent assistance multiplier, fed by a 600Wh internal battery. Riders chasing longer days can bolt on the optional 250Wh PowerMore range extender for 850Wh total, and a Bosch System Controller is fitted as standard.
Adjustability is a core theme: bolt-on dropouts and brake mounts let you tune chainstay length and switch between mixed and full 29in wheels across the range. The bikes ship MX in SM to XM and full 29in in LG and XL, and Ibis has added an Extra-Medium size in the middle of the range for a more precise fit.
The verified build pairs a Fox Factory 38 Grip X2 fork and Float X2 shock with SRAM Maven Silver brakes on 220mm rotors and a SRAM Eagle 90 Transmission drivetrain, priced at 8,999 US dollars ex-works.
Geometry · hover a row to highlight the measurement on the bike
| S | M | XM | L | XL | |
|---|---|---|---|---|---|
| Reach | 428 mm | 450 mm | 474 mm | 498 mm | 522 mm |
| Stack | 626 mm | 637 mm | 646 mm | 656 mm | 668 mm |
| Seattube | 381 mm | 381 mm | 405 mm | 432 mm | 450 mm |
| Chainstay | 440 mm | 440 mm | 455 mm | 455 mm | 455 mm |
| Headtube Angle | 62.3° | 63.1° | 63.1° | 63.1° | 63.1° |
| Seattube Angle (eff) | 76.1° | 76.1° | 76.6° | 77.1° | 77.6° |
| Wheelbase | 1233 mm | 1251 mm | 1295 mm | 1325 mm | 1357 mm |
| Headtube | 99 mm | 109 mm | 121 mm | 136 mm | 152 mm |
| BB Height | 346 mm | 349 mm | 352 mm | 355 mm | 358 mm |
| Standover | 706 mm | 717 mm | 745 mm | 755 mm | 771 mm |
| Front Centre | 793 mm* | 811 mm* | 840 mm* | 870 mm* | 902 mm* |
Trims · 1
$8999 | |
|---|---|
| Motor | Bosch Performance Line CX Gen 5 · 120 Nm |
| Battery | Bosch PowerTube 600 · 600 Wh |
| Travel F/R | 180/165 mm |
| Frame | Carbon Fiber |
| Fork | Fox Factory 38, Grip X2, 180mm, 29" |
| Shock | Fox Factory Float X2, 230x65mm |
| Headset | Cane Creek 50, ZS56/ZS56 |
| Stem | Blackbird 35 Stem (SM-MD: 35mm, XM-XL: 50mm) |
| Handlebar | Blackbird 35 Aluminum Riser Bar 800mm |
| Grips | Lizard Skins Strata Single Clamp |
| Saddle | WTB Silverado Fusion CrMo 142 |
| Seatpost | KS Vantage Dropper, 34.9mm (SM-MD: 140-170mm; XM-XL: 180-210mm) |
| Brakes | SRAM Maven, Silver, with SRAM Centerline 220mm 6-bolt rotors front and rear. Frame rear brake mount is 200mm post mount / 220mm max; the +10mm and +15mm dropouts require a different brake adapter with a 220mm post mount. |
| Rear derailleur | SRAM Eagle 90 Transmission |
| Crank | SM-MD: SRAM 90, 155mm, 34T Steel Ring. XM-XL: SRAM EX1, 165mm, 34T Steel Ring |
| Shifters | SRAM Eagle 90 Transmission |
| Cassette | SRAM XS 1275 Transmission, T-Type, 10-52T |
| Chain | SRAM GX Eagle Transmission, T-Type |
| Drivetrain | SRAM Eagle 90 Transmission; SM-MD: SRAM 90, 155mm, 34T Steel Ring. XM-XL: SRAM EX1, 165mm, 34T Steel Ring; SRAM Eagle 90 Transmission; SRAM XS 1275 Transmission, T-Type, 10-52T; SRAM GX Eagle Transmission, T-Type |
| Wheels | Blackbird Send Alloy, 32H, Blackbird Hubs. SM-XM: F Send I 29 / R Send II 27.5. LG-XL: F Send I 29 / R Send II 29 |
| Tyres | Front: Maxxis Assegai, DD, MaxxGrip, 29x2.5. Rear: Maxxis DHR2, DD, MaxxTerra (SM-XM: 27.5x2.5; LG-XL: 29x2.5) |
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