2026 Ibis Oso S Eagle 90 E-Bike

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Ibis


Free shipping on orders over $50 (continental U.S. only). International shipping available. Some exclusions apply.	Free shipping on orders over $50 (continental U.S. only). International shipping available. Some exclusions apply. $7,999.00	Buy
Ibis Bicycles \| Oso Sport 90 Bike 2026 \| Silver \| Xm	Ibis Bicycles \| Oso Sport 90 Bike 2026 \| Silver \| Xm $7,999.00	Buy
Ibis Bicycles \| Oso Hd 90 E-Bike 2026 \| Gold \| S	Ibis Bicycles \| Oso Hd 90 E-Bike 2026 \| Gold \| S $8,999.00	Buy
Ibis Bicycles \| Oso Trail 90 Bike 2026 \| Black \| M	Ibis Bicycles \| Oso Trail 90 Bike 2026 \| Black \| M $8,299.00	Buy
Ibis Bicycles \| Ripmo V3 Eagle 90 Bike \| Purple \| M	Ibis Bicycles \| Ripmo V3 Eagle 90 Bike \| Purple \| M $5,699.00	Buy
Ibis Bicycles \| Ripmo Af 90 Bike 2026 \| Rose \| M	Ibis Bicycles \| Ripmo Af 90 Bike 2026 \| Rose \| M $4,299.00	Buy
Ibis Bicycles \| Ripley Af 90 Bike 2026 \| Orange \| Xm	Ibis Bicycles \| Ripley Af 90 Bike 2026 \| Orange \| Xm $3,999.00	Buy
Ibis Bicycles \| Ripley Sl 90 Bike 2026 \| Gold \| M	Ibis Bicycles \| Ripley Sl 90 Bike 2026 \| Gold \| M $6,249.00	Buy
Free U.S. shipping on everything. International shipping available. Some exclusions apply.	Browse available E-Bikes
Free shipping on orders over $50 (contiguous U.S. only). International shipping available. Some exclusions apply.	Browse available E-Bikes

Specifications

Product

Ibis Oso S Eagle 90 E-Bike

Model Year

2026

Intended Use

Trail

Rider

Unisex

Sizes and Geometry

View Full Geometry

Size	SM	MD	XM	LG	XL
Top Tube Length	579mm	604mm	624mm	646mm	665mm
Head Tube Angle	63.9°	64.7°	64.4°	64.4°	64.4°
Head Tube Length	99mm	109mm	121mm	136mm	152mm
Seat Tube Angle	77.7°	77.7°	77.9°	78.4°	78.9°
Seat Tube Length	381mm	381mm	405mm	432mm	450mm
Bottom Bracket Height	329mm (44mm drop)	332mm (41mm drop)	332mm (41mm drop)	335mm (38mm drop)	338mm (35mm drop)
Chainstay Length	456mm	456mm	457mm	457mm	457mm
Wheelbase	1227mm	1246mm	1276mm	1307mm	1338mm
Standover	684mm	697mm	722mm	733mm	750mm
Reach	445mm	467mm	489mm	513mm	536mm
Stack	614mm	625mm	634mm	644mm	656mm
Additional Info	All specifications listed are with 140mm travel fork with 554mm axle-to-crown length

Sizes Additional Info

All specifications listed are with 140mm travel fork with 554mm axle-to-crown length

View Full Geometry

Size	SM	MD	XM	LG	XL
Top Tube Length	579mm	604mm	624mm	646mm	665mm
Head Tube Angle	63.9°	64.7°	64.4°	64.4°	64.4°
Head Tube Length	99mm	109mm	121mm	136mm	152mm
Seat Tube Angle	77.7°	77.7°	77.9°	78.4°	78.9°
Seat Tube Length	381mm	381mm	405mm	432mm	450mm
Bottom Bracket Height	329mm (44mm drop)	332mm (41mm drop)	332mm (41mm drop)	335mm (38mm drop)	338mm (35mm drop)
Chainstay Length	456mm	456mm	457mm	457mm	457mm
Wheelbase	1227mm	1246mm	1276mm	1307mm	1338mm
Standover	684mm	697mm	722mm	733mm	750mm
Reach	445mm	467mm	489mm	513mm	536mm
Stack	614mm	625mm	634mm	644mm	656mm
Additional Info	All specifications listed are with 140mm travel fork with 554mm axle-to-crown length

Wheel Size

29"

E-Bike Class

Class 1: Pedal Assist (Pedelecs)

Motor

Bosch Performance Line CX, Generation 5, 120 Nm max torque, 600% power multiplier

Battery

Bosch, integrated
Option: Bosch PowerMore 250 Wh range extender

Battery Capacity

600 Wh

Display/Remote

Bosch Kiox 400C controller and display, top tube integrated

Modes

Turbo, eMTB+, Tour+, Eco+, Walk Assist

Max Speed with Assist

USA/Canada/New Zealand: 20 mph (32.2 km/h)

Other: 15.5 mph (25 km/h)

Frame Material

Carbon Fiber

Frame Material Details

Carbon fiber front and rear triangles; molded chainstay, seatstay, shuttle guard, and lower down tube protection

Rear Travel

130mm

Rear Shock

RockShox Deluxe Select+, 210mm length x 52.5mm stroke, Ibis Traction Tune-specific damping

Fork

RockShox Pike Base, 35mm stanchions

Fork Travel

140mm

Head Tube Diameter

Straight, 1.5"

Headset

Cane Creek 50, ZS56 upper/lower, larger bearings for internal light routing compatibility

Handlebar

Blackbird 35 aluminum riser, 800mm width

Stem

Blackbird
Length: 35mm (SM-MD); 50mm (XM-XL)

Grips

Lizard Skins Strata, single-clamp lock-on

Brakes

SRAM Maven Base, 4-piston
Rotors: SRAM CenterLine, 6-bolt, 220mm front and rear

Brake Levers

SRAM Maven Base Stealth, tool-free reach adjust

Drivetrain

Shifters

SRAM Eagle 90 Transmission, 12-speed

Front Derailleur

None

Rear Derailleur

SRAM Eagle 90 Transmission, 12-speed

Chainguide

MRP TR2 upper slider

Cranks

SRAM Eagle Transmission Alloy, 90 (SM-MD) or EX1 (XM-XL), 55mm chainline
Length: 155mm (SM-MD); 165mm (XM-XL)

Chainrings

SRAM Eagle Transmission, steel, 34 tooth

Pedals

None

Chain

SRAM GX Eagle Transmission Flattop, 12-speed

Cassette

SRAM GX Eagle Transmission XS-1275, 12-speed, 10-52 tooth

Rims

Blackbird Send (I front, II rear) Alloy, 32 hole

Hubs

Blackbird Send wheelset, 15mm x 110mm (Boost) front, 12mm x 148mm (Boost) rear with XD driver

Spokes

Blackbird Send wheelset

Tires

Front: Maxxis Assegai, 3C MaxxTerra compound, EXO casing, 29" x 2.5"
Rear: Maxxis Minion DHR II, 3C MaxxTerra compound, EXO+ casing, 29" x 2.5"

Saddle

WTB Silverado, Fusion CrMo rails, 142mm width

Seatpost

KS Vantage dropper
Drop: 140mm-170mm (SM-MD); 180mm-210mm (XM-XL)

Seatpost Diameter

34.9mm

Seatpost Clamp

Single bolt

Rear Dropout / Hub Dimensions

12mm x 148mm (Boost)

Max. Tire Size

2.5"

Bottle Cage Mounts

One inside front triangle (fits 22oz water bottle on SM/MD; 26oz water bottle on XM/LG/XL), plus accessory mounts under top tube

Colors

Silver Surfer

Warranty

Lifetime frame and suspension bushings; 2 years Bosch system

Weight

48 lb 14.4 oz (22180 g)

Miscellaneous

V2 version

dw-link rear suspension design

Modular dropout system allows riders to fine-tune chainstay length and wheel size configuration via longer aftermarket dropout options

Internal cable routing

SRAM UDH (Universal Derailleur Hanger)

Frame weight, size XM with shock: 10470g (23.1lbs)

Complete bike weight is an approximate starting figure for size XM

Power settings customizable via Bosch eBike Flow Mobile App

Includes Bosch PowerMore range extender mounting bracket and Bosch water bottle cage; PowerMore 250 Wh range extender battery sold separately

Includes Bosch Smart System battery charger

Price

$7,999.00

More Info

Ibis Launches the All-new Oso HD, Oso TR, and Oso S (press release)

Ibis website

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Free shipping on orders over $50 (continental U.S. only). International shipping available. Some exclusions apply.	Free shipping on orders over $50 (continental U.S. only). International shipping available. Some exclusions apply. $7,999.00	Buy
Ibis Bicycles \| Oso Sport 90 Bike 2026 \| Silver \| Xm	Ibis Bicycles \| Oso Sport 90 Bike 2026 \| Silver \| Xm $7,999.00	Buy
Ibis Bicycles \| Oso Hd 90 E-Bike 2026 \| Gold \| S	Ibis Bicycles \| Oso Hd 90 E-Bike 2026 \| Gold \| S $8,999.00	Buy
Ibis Bicycles \| Oso Trail 90 Bike 2026 \| Black \| M	Ibis Bicycles \| Oso Trail 90 Bike 2026 \| Black \| M $8,299.00	Buy
Ibis Bicycles \| Ripmo V3 Eagle 90 Bike \| Purple \| M	Ibis Bicycles \| Ripmo V3 Eagle 90 Bike \| Purple \| M $5,699.00	Buy
Ibis Bicycles \| Ripmo Af 90 Bike 2026 \| Rose \| M	Ibis Bicycles \| Ripmo Af 90 Bike 2026 \| Rose \| M $4,299.00	Buy
Ibis Bicycles \| Ripley Af 90 Bike 2026 \| Orange \| Xm	Ibis Bicycles \| Ripley Af 90 Bike 2026 \| Orange \| Xm $3,999.00	Buy
Ibis Bicycles \| Ripley Sl 90 Bike 2026 \| Gold \| M	Ibis Bicycles \| Ripley Sl 90 Bike 2026 \| Gold \| M $6,249.00	Buy
Free U.S. shipping on everything. International shipping available. Some exclusions apply.	Browse available E-Bikes
Free shipping on orders over $50 (contiguous U.S. only). International shipping available. Some exclusions apply.	Browse available E-Bikes