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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.
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.
| 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, 29x2.5", 3C Maxxgrip, Double Down, TR, WT; Rear: Maxxis Aggressor, 29x2.5", 3C Maxxgrip, Double Down, TR, WT
Size SM–MD comes with a 27.5x2.5" rear tire. |
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| 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 AXS |
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| Shift Levers | SRAM GX Eagle AXS |
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| 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 |
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| Seatpost | Bike Yoke Revive Dropper
S: 125mm, M: 160mm, L: 185mm, XL: 213mm. Note there is a 250lb rider weight limit on this post. |
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| Saddle | SDG Bel-Air, V3 |
