IBIS OSO S | E90
$15,990.00
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IBIS OSO S EAGLE 90
SPECS
01
BUILD SPECS
Fork
RockShox Pike Base, 140mm, 29"
Shock
RockShox Deluxe Select+, 210 × 52.5mm
Motor
Bosch Performance Line CX, Generation 5
Battery
Bosch 600Wh Internal Battery
Range Extender
Bosch PowerMore 250Wh Compatible — Sold Separately
Maximum Battery Capacity
850Wh with PowerMore 250Wh Range Extender
Display
Bosch Kiox 400C
Charger
Bosch Smart System Charger
Wheels
Blackbird Send Alloy, 32H, Blackbird Hubs — Send I Front / Send II Rear
Wheel Setup
29" Front / 29" Rear
Front Tire
Maxxis Assegai, 29 × 2.5", EXO
Rear Tire
Maxxis DHR2, 29 × 2.5", EXO+
Brakes
SRAM Maven Base
Rotors
SRAM Centerline 6-Bolt — 220mm Front / 220mm Rear
Crankset
SM–MD: SRAM Eagle 90, 155mm, 34T Steel Ring
XM–XL: SRAM EX1, 165mm, 34T Steel Ring
XM–XL: SRAM EX1, 165mm, 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
BLKBRD Stem — SM–MD: 35mm / XM–XL: 50mm
Seatpost
KS Vantage Dropper, 34.9mm
Dropper Travel
SM–MD: 140–170mm / XM–XL: 180–210mm
Saddle
WTB Silverado Fusion CrMo 142
02
FRAME & E-SYSTEM
Frame
Oso V2 S
Material
Carbon Fiber
Wheel Size
29" Standard — 29" or MX Compatible via Modular Dropout System
Standard Dropout
455mm Dropout — All Sizes
Rear Wheel Compatibility
29" or 27.5" via Interchangeable Dropouts
Rear Axle
Boost 148mm
Front Axle
Boost 110mm
Seatpost Diameter
34.9mm
Rear Brake Mount
200mm Post Mount
Maximum Rear Rotor
220mm
Headset
ZS56 / ZS56
Tire Clearance
Most 29 × 2.5" and 27.5 × 2.5" Tires
Frame Protection
Molded Rubber Frame Protection with Motor & Downtube Guards
Bottle Clearance
S–M: 22oz / XM–XL: 26oz
Bottle Cage
Bosch Side-Loading Water Bottle Cage Included
Range Extender Mount
Bosch PowerMore Mounting Bracket Included
Color
Silver Surfer
Sizes
S / M / XM / L / XL
Motor
Bosch Performance Line CX Gen 5
Motor Output
Up to 120Nm Torque / 600% Power Multiplier
Internal Battery
600Wh
Optional Range Extender
Bosch PowerMore 250Wh
Controller / Display
Bosch Kiox 400C — Top Tube Mounted
Charger
Bosch Smart System Charger
Frame Warranty
Lifetime
Bushings
Lifetime Replacement
Bosch Warranty
2 Years
Changing the rear wheel size or chainring size requires a Bosch system configuration update through a Bosch-certified service provider. The PowerMore 250Wh range extender is optional and sold separately.
03
SUSPENSION
REAR
130
MM
FRONT
140
MM
PLATFORM
DW
LINK
WHEELS
29
MX OPTION
Rear Travel
130mm
Suspension Platform
DW-Link
Rear Suspension
Upper-Link Driven, Coil-Friendly Layout
Shock
RockShox Deluxe Select+
Shock Size
210 × 52.5mm
Rear Shock Tune
Ibis Traction Tune
Coil Shock
Compatible — 210 × 52.5mm with Oso S Clevis
Fork
RockShox Pike Base
Fork Travel
140mm
Compatible Fork Travel
130–180mm — Modular Oso Chassis
140mm Axle-to-Crown
554mm
The Oso S is optimized around a 140mm fork and 210 × 52.5mm rear shock. The modular Oso chassis can support different travel configurations by changing the fork, shock and clevis, while the Oso S configuration delivers 130mm of DW-Link rear travel.
04
DRIVETRAIN COMPATIBILITY
Drivetrain
SRAM Eagle 90 Transmission
Chainline
55mm
Chainring Range
32T Minimum / 36T Maximum
Recommended Chainring
34T
Stock Chainring
34T Steel
Chain Guide
MRP TR2 Top Guide
Chain Guide Plate
34T Mounting Plate Included
Cassette
SRAM XS-1275 T-Type, 10–52T
Wheel Size Changes
Bosch System Configuration Required
Chainring Changes
Bosch System Configuration Required
Images may not show actual build kit content. Pricing and specifications subject to change without notice.
OSO S
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 |