Powered by a Bosch CX Gen 5 motor, the Oso TR is a do-everything trail companion — efficient enough for all-day missions, yet lively and capable on the descents. From after-work laps to full-blown backcountry adventures, the TR delivers a balanced ride that goes anywhere and everywhere.
| 90 | GX AXS | Frame | |
| Fork | RockShox Lyrik, Base, 160mm | RockShox Lyrik, Ultimate, 160mm | |
| Shock | RockShox Super Deluxe, Select+, 230x60mm | RockShox Super Deluxe, Select+, 230x60mm | RockShox Super Deluxe, Select+, 230x60mm |
| Motor | Bosch Performance Line CX, Generation 5 | Bosch Performance Line CX, Generation 5 | Bosch Performance Line CX, Generation 5 |
| Wheels | Blackbird Send Alloy, 32H, Blackbird Hubs | Blackbird Send Alloy, 32H, Blackbird Hubs | |
| Front Tire | Maxxis Assegai 29x2.5 EXO+ | Maxxis Assegai 29x2.5 EXO+ | |
| Rear Tire | Maxxis DHR2, DD, MaxxTerra | Maxxis DHR2, DD, MaxxTerra | |
| Brakes | SRAM Maven Base | SRAM Maven, Silver | |
| Rotors (F/R) | SRAM Centerline 220mm, 6-Bolt | SRAM Centerline 220mm, 6-Bolt | |
| Crankset | SRAM EX1, 160mm, 34T Steel Ring | SRAM EX1, 160mm, 34T Steel Ring | |
| Rear Derailleur | SRAM Eagle 90 Transmission | SRAM GX Eagle Transmission | |
| Shifter | SRAM Eagle 90 Transmission | SRAM AXS Pod | |
| Cassette | SRAM XS 1275 Transmission, T-Type, 10-52T | SRAM XS 1275 Transmission, T-Type, 10-52T | |
| Chain | SRAM GX Eagle Transmission, T-Type | SRAM GX Eagle Transmission, T-Type | |
| Chain Guide | MRP TR2 Top Guide | MRP TR2 Top Guide | |
| Headset | Cane Creek 50, ZS56/ZS56 | Cane Creek 50, ZS56/ZS56 | |
| Grips | Lizard Skins Strata Single Clamp | Lizard Skins Strata Single Clamp | |
| Handlebar | Blackbird 35 Aluminum Riser Bar 800mm | Blackbird 35 Aluminum Riser Bar 800mm | |
| Stem | Blackbird 35 Stem | Blackbird 35 Stem | |
| Seatpost | KS Vantage Dropper, 34.9mm | BikeYoke Revive Max, 34.9mm | |
| Saddle | WTB Silverado Fusion CrMo 142 | WTB Silverado Fusion CrMo 142 |
63.2-64°Head Tube Angle I 77-78.5°Seat Tube Angle I 440–455mm Chainstays
| Nominal Size | SM | MD | XM | LG | XL | |
|---|---|---|---|---|---|---|
| Wheel Size | 27.5 | 27.5 | 29 | 29 | 29 | |
| Seat Tube | A | 381 | 381 | 405 | 432 | 450 |
| Top Tube | B | 581 | 605 | 625 | 646 | 666 |
| Head Tube | C | 99 | 109 | 121 | 136 | 152 |
| Chainstay | D | 440 | 440 | 455 | 455 | 455 |
| Seat Tube Angle | E | 77° | 77° | 77.5° | 78° | 78.5° |
| Saddle Height for Seat Tube Angle | F | 650 | 700 | 745 | 790 | 830 |
| Head Tube Angle | G | 63.2° | 64° | 64° | 64° | 64° |
| Wheelbase | H | 1222 | 1241 | 1285 | 1315 | 1346 |
| Stack | I | 619 | 630 | 638 | 648 | 660 |
| Reach | J | 438 | 460 | 484 | 508 | 532 |
| BB Drop | K | 34 | 31 | 28 | 25 | 22 |
| BB Height* | 339 | 342 | 345 | 348 | 351 | |
| Standover | L | 697 | 708 | 736 | 747 | 763 |
| Dropper Post Length | 140–170 | 140–170 | 180–210 | 180–210 | 180–210 | |
| Crank Length | 160 | 160 | 160 | 160 | 160 | |
| Water Bottle Size | 22oz | 22oz | 26oz | 26oz | 26oz |
| SM | 152 - 168CM |
| MD | 165 - 175CM |
| XM | 173 - 183CM |
| LG | 180 - 191CM |
| XL | 188 - 201CM |
