Ibis Oso HD 90 Bike 2026Downhill Both Ways. The Ibis Oso HD is built for riders who want it all - the climbing efficiency of an e-MTB and the gravity-fed performance of a proper enduro bike. With 180mm of front travel, 165mm rear, and gravity-focused geometry, the HD is at home on shuttle laps and big mountain lines alike. The Bosch Performance Line CX Gen 5 motor and 600Wh internal battery get you back to the top quickly, while a 850Wh total capacity (with optional Power More extender) means the laps don't have to stop. One frame, fully modular - and built to go downhill both ways. Features Bosch Performance Line CX Gen 5 motor delivers powerful, natural-feeling pedal assist with refined torque delivery tuned for technical terrain600Wh internal battery with Power More compatibility provides a 850Wh total capacity when paired with the optional 250Wh Power More range extender, with low and centered battery placement for improved balance and handling Modular dropout system with bolt-on dropouts to fine-tune chainstay length and wheel size configuration - all options available aftermarket Fox Factory 38 fork with Grip X2 damper, 180mm travel and Fox Factory Float X2 rear shock deliver top-tier suspension performance for the most demanding descents SRAM Eagle 90 Transmission drivetrain with SRAM Maven Silver brakes and 220mm centerline rotors front and rear for reliable stopping power MX wheel configuration with Maxxis Assegai 29x2. 5 Maxx Grip up front and Maxxis DHR II Maxx Terra rear (27. 5x2. 5 SM-XM / 29x2. 5 LG-XL)Long dropper post compatibility with generous seat tube insertion depths across all sizes (KS Vantage, 34. 9mm: SM-MD 140-170mm / XM-XL 180-210mm)Bosch Kiox 400c display with Bosch Mini Remote controller for intuitive ride management SPECIFICATIONSTravel (F/R)180mm Front / 165mm Rear Fork Fox Factory 38, Grip X2, 180mm Rear Shock Fox Factory Float X2, 230x65mm Motor Bosch Performance Line CX, Generation 5Battery Bosch Power Tube 600Wh (Power More 250Wh compatible, 850Wh total)Display Bosch Kiox 400c Controller Bosch Mini Remote Bottle Cage Bosch Power More Holder Shifter SRAM Eagle 90 Transmission Rear Derailleur SRAM Eagle 90 Transmission Cassette SRAM XS 1275 Transmission, T-Type, 10-52TChain SRAM GX Eagle Transmission, T-Type Crankset SRAM X1 E-MTB, 165mm, 34T Steel Chainring Chain Guide MRP TR2 Top Guide Brakes SRAM Maven Silver, SRAM Centerline 220mm 6-Bolt Rotors (F/R)Wheelset Blackbird Send Alloy, 32H, 35mm Inner Rim Width, Blackbird Hubs 32H 6-Bolt (F: 110x15mm / R: 148x12mm)Tires Maxxis Assegai DD Maxx Grip 29x2. 5 (Front) / Maxxis DHR II DD Maxx Terra, SM-XM: 27. 5x2. 5, LG-XL: 29x2. 5 (Rear)Handlebar Blackbird 35, Aluminum, 30mm Riser Bar, 800mm Stem Blackbird 35, SM-MD: 35mm / XM-XL: 50mm Grips Lizard Skins Strata Single Clamp Headset Cane Creek 50, ZS56/ZS56Seatpost KS Vantage Dropper, 34. 9mm, SM-MD: 140-170mm / XM-XL: 180-210mm Saddle WTB Solano, Fusion Cr Mo, 142mm Intended Use Enduro, E-MTBNote: Components are subject to change without notice. METRICINCHIbis Oso HD (180mm Fork)Size SMMDXMLGXLA: Seat Tube Length381381405432450B: Top Tube Length583608628648668C: Stack626637646656668D: Reach428450474498522E: BB Height346349352355358F: BB Drop2724211815G: Head Tube Length99109121136152H: Head Tube Angle62. 3 deg63. 1 deg63. 1 deg63. 2 deg64 degI: Seat Tube Angle76. 1 deg76. 6 deg77. 1 deg77. 6 deg77. 6 degJ: Standover706717745755771K: Chainstay Length440440455455455L: Wheelbase12331251129513251357Crank Arm Length160 mm160 mm160 mm160 mm160 mm Stem Length35 mm35 mm50 mm50 mm50 mm Handlebar Width800 mm800 mm800 mm800 mm800 mm Suggested Rider Height Frame Size SMMDXMLGXLDropper Post Length140-170 mm140-170 mm180-210 mm180-210 mm180-210 mm Ibis Oso HD (180mm Fork)Size SMMDXMLGXLA: Seat Tube Length15. 015. 015. 917. 017. 7B: Top Tube Length22. 923. 924. 725. 526. 3C: Stack24. 625. 125. 425. 826. 3D: Reach16. 917. 718. 719. 620. 6E: BB Height13. 613. 713. 914. 014. 1F: BB Drop1. 10. 90. 80. 70. 6G: Head Tube Length3. 94. 34. 85. 46. 0H: Head Tube Angle62. 3 deg63. 1 deg63. 1 deg63. 2 deg64. 0 degI: Seat Tube Angle76. 1 deg76. 6 deg77. 1 deg77. 6 deg77. 6 degJ: Standover27. 828. 229. 329. 730. 4K: Chainstay Length17. 317. 317. 917. 917. 9L: Wheelbase48. 549. 351. 052. 253. 4Crank Arm Length160 mm160 mm160 mm160 mm160 mm Stem Length35 mm35 mm50 mm50 mm50 mm Handlebar Width800 mm800 mm800 mm800 mm800 mm Suggested Rider Height Frame Size SMMDXMLGXLDropper Post Length140-170 mm140-170 mm180-210 mm180-210 mm180-210 mm | Ibis Bicycles | Oso Hd 90 Bike 2026 | Gold | S