IBIS OSO S | 90
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SPECS
Build Specs
Build Specs
Fork: RockShox Pike, Base, 140mm, 29”
Shock: RockShox Deluxe Select+, 210x52.5mm
Motor: Bosch Performance Line CX, Generation 5
Wheels: Blackbird Send Alloy, 32H, Blackbird Hubs
F: Send I, 29 / R: Send II, 29
Front Tire: Maxxis Assegai 29x2.5 EXO
Rear Tire: Maxxis DHR2 29x2.5 EXO+
Brakes: SRAM Maven Base
Rotors (F/R): SRAM Centerline 220mm, 6-Bolt
Crankset: SRAM EX1, 160mm, 34T Steel Ring
Rear Derailleur: SRAM Eagle 90 Transmission
Shifter: SRAM Eagle 90 Transmission
Cassette: SRAM XS 1275 Transmission, T-Type, 10-52T
Chain: SRAM GX Eagle Transmission, T-Type
Chain Guide: MRP TR2 Top Guide
Headset: Cane Creek 50, ZS56/ZS56
Grips: Lizard Skins Strata Single Clamp
Handlebar: Blackbird 35 Aluminum Riser Bar 800mm
Stem: Blackbird 35 Stem
SM–MD: 35mm, XM–XL: 50mm
Seatpost: KS Vantage Dropper, 34.9mm
SM–MD: 140–170mm
XM–XL: 180–210mm
Frame
Frame
Frame Material: Carbon Fiber
Wheel Size: Size SM–XL: 29” wheels (MX or 29” option in all sizes via modular dropout system)
Suspension
Suspension
Front Travel: 140mm
Rear Travel: 130mm (coil-friendly suspension layout)
Drivetrain Compatibility & Geometry
Drivetrain Compatibility & Geometry
Boost Axles: 148mm rear / 110mm front
Seatpost Diameter: 34.9mm
Rear Brake: 200mm post mount / 220mm max
+10mm and +15mm dropouts require a different brake adapter that has a 220mm post mount
Chainline: 55mm chainline
Chainring Compatibility: 32–36T chainring compatibility (34T standard)
Chainguide: MRP, ships with a 34T mounting plate
Headset: ZS56, bigger bearings and allows for internal light routing
Color: Silver Surfer
Sizes: S / M / XM / L / XL
Frame Protection: Molded rubber frame protection, robust motor & downtube guards
Frame Warranty: Lifetime
Bushing Warranty: Lifetime
Motor
Motor
Motor: Bosch Performance Line CX (Gen 5)
Battery: 600Wh internal battery and optional PowerMore 250Wh range extender compatible, delivering a total capacity of 850Wh
Charger: Bosch Smart System Charger
Controller: Top tube mounted Kiox 400C controller and display
OSO S
Enduro race bike.
130mm
REAR TRAVEL
140mm
FRONT TRAVEL
29"
WHEEL SIZE
DW LINK
SUSPENSION
OSO S Geometry
140mm Fork (554mm axle to crown)
63.9-64.4° Head Tube Angle | 77.7-78.9° Seat Tube Angle | 456–457mm Chainstays
-
| Measurement | SM | MD | XM | LG | XL |
|---|---|---|---|---|---|
| ASeat Tube | 381 | 381 | 405 | 432 | 450 |
| BTop Tube | 579 | 604 | 624 | 646 | 665 |
| CHead Tube | 99 | 109 | 121 | 136 | 152 |
| DChainstay | 456 | 456 | 457 | 457 | 457 |
| ESeat Tube Angle | 77.7° | 77.7° | 77.9° | 78.4° | 78.9° |
|
FSaddle Height for Seat Tube Angle |
650 | 700 | 745 | 790 | 830 |
| GHead Tube Angle | 63.9° | 64.7° | 64.4° | 64.4° | 64.4° |
| HWheelbase | 1227 | 1246 | 1276 | 1307 | 1338 |
| IStack | 614 | 625 | 634 | 644 | 656 |
| JReach | 445 | 467 | 489 | 513 | 536 |
| KBB Drop | 44 | 41 | 41 | 38 | 35 |
| BB Height | 329 | 332 | 332 | 335 | 338 |
| LStandover | 684 | 697 | 722 | 733 | 750 |
| 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 |

