Ibis Oso TR Frameset 2026Trails All Day. The Ibis Oso TR Frameset gives you the foundation of the most versatile personality in the Oso lineup, ready to build up the way you want. With 160mm of front travel compatibility and 150mm rear, it's the balanced center of the modular Oso platform. Bolt-on dropouts let you dial in chainstay length and wheel size configuration to suit your terrain, and all dropout options are available aftermarket. The frame ships with a Rock Shox Super Deluxe Select+ rear shock and is optimized for a 160mm fork. The Bosch Performance Line CX Gen 5 motor has a low and centered 600Wh battery position and clean Power More integration (sold separately) for up to 850Wh total range when you need it. Features Modular dropout system with bolt-on dropouts to fine-tune chainstay length and wheel size configuration - all options available aftermarket Bosch Performance Line CX Gen 5 motor with low and centered battery placement for improved balance and handling, and clean Power More integration for up to 850Wh total capacity Rock Shox Super Deluxe Select+ rear shock included, 230x60mm, optimized for 150mm of rear travel Optimized for a 160mm fork (575mm axle to crown) with gravity-capable geometry and progressive suspension character Long dropper post compatibility with generous seat tube insertion depths across all sizes (SM-MD: 140-170mm / XM-XL: 180-210mm)Internal cable routing for a clean build, with Bosch motor and battery integration designed into the frame SPECIFICATIONSFrame Material Carbon Rear Travel150mm Fork Compatibility Optimized for 160mm (575mm Axle to Crown)Rear Shock Rock Shox Super Deluxe, Select+, 230x60mm Motor Bosch Performance Line CX, Generation 5Battery Compatibility Bosch Power Tube 600Wh (Power More 250Wh compatible, 850Wh total)Bottom Bracket73mm BSA Threaded (Sold Separately)Seatpost Diameter34. 9mm Rear Axle148x12mm Thru-Axle (Boost)Headset Not Included (ZS56/ZS56)Intended Use Trail, E-MTBNote: Components are subject to change without notice. METRICINCHIbis Oso TR (160mm Fork)Size SMMDXMLGXLA: Seat Tube Length381381405432450B: Top Tube Length581605625646666C: Stack619630638648660D: Reach438460484508532E: BB Height339342345348351F: BB Drop3431282522G: Head Tube Length99109121136152H: Head Tube Angle63. 2 deg64 deg64 deg63. 9 deg63. 9 degI: Seat Tube Angle77 deg77. 5 deg78 deg78. 5 deg78. 5 degJ: Standover697708736747763K: Chainstay Length440440455455455L: Wheelbase12221241128513151346Suggested Rider Height Frame Size SMMDXMLGXLDropper Post Length140-170 mm140-170 mm180-210 mm180-210 mm180-210 mm Ibis Oso TR (with 160mm Fork)Size SMMDXMLGXLA: Seat Tube Length15. 015. 015. 917. 017. 7B: Top Tube Length22. 923. 824. 625. 426. 2C: Stack24. 424. 825. 125. 526. 0D: Reach17. 218. 119. 120. 020. 9E: BB Height13. 313. 513. 613. 713. 8F: BB Drop1. 31. 21. 11. 00. 9G: Head Tube Length3. 94. 34. 85. 46. 0H: Head Tube Angle63. 2 deg64. 0 deg64. 0 deg63. 9 deg63. 9 degI: Seat Tube Angle77. 0 deg77. 5 deg78. 0 deg78. 5 deg78. 5 degJ: Standover27. 427. 929. 029. 430. 0K: Chainstay Length17. 317. 317. 917. 917. 9L: Wheelbase48. 148. 950. 651. 853. 0 | Ibis Bicycles | Oso Trail Frameset 2026 | Black | M