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2026 Trek Roscoe 8 Gen 4 Bike

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8 lava 01
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Trek
Where To Buy
$70 standard shipping on bikes (continental U.S. only).
$70 standard shipping on bikes (continental U.S. only).
$2,399.99
Roscoe 8 Gen 4
$2,399.99
Roscoe 7 Gen 4
$1,499.99
Roscoe 8
$2,399.99
Free U.S. shipping on everything.
International shipping available. Some exclusions apply.
Free shipping on orders over $50 (continental U.S. only).
International shipping available. Some exclusions apply.
Free shipping on orders over $69 (continental U.S. only).
International shipping available. Some exclusions apply.

Specifications

Product
Trek Roscoe 8 Gen 4 Bike
Model Year
2026
Intended Use
Cross Country
Rider
Unisex
Sizes and Geometry
SM
MD
ML
LG
XL
View Full Geometry
Sizes Additional Info
• SM has 27.5" wheels; MD-XL have 29" wheels


• All specifications listed are with 150mm travel fork with 37mm (SM) or 44mm (MD-XL) offset
View Full Geometry
Wheel Size
27.5" (650b)
29"
Frame Material
Aluminum
Frame Material Details
Alpha Platinum Aluminum, molded chainstay protection, bolt-on lower down tube guard
Rear Travel
Hardtail
Rear Shock
None
Fork
FOX FLOAT 36 Rhythm, EVOL, GRIP damper, 44mm offset, Kabolt X thru-axle
Fork Travel
150mm
Head Tube Diameter
Tapered, 1.125" top, 1.5" bottom
Headset
FSA Orbit, sealed cartridge bearings
Handlebar
SM: Bontrager, alloy, 750mm width, 15mm rise, 31.8mm clamp diameter
MD-XL: Bontrager Comp, alloy, 780mm width, 40mm rise, 31.8mm clamp diameter
Stem
Bontrager Comp, 7° rise, 31.8mm bar clamp
Length: 35mm (SM), 50mm (MD-XL)
Grips
Trek Line Comp, nylon lock-on
Brakes
Shimano Deore M6120, 4-piston
Rotors: Shimano RT66, 6-bolt, 203mm front, 180mm rear
Brake Levers
Shimano Deore M6100
Drivetrain
1x
Shifters
Shimano Deore M6100, 12-speed
Front Derailleur
None
Rear Derailleur
Shimano Deore M6100, 12-speed
ISCG Tabs
ISCG05
Chainguide
None
Cranks
Shimano MT512 Alloy, 170mm length
Chainrings
Shimano MT512, 30 tooth
Bottom Bracket
Shimano MT501, 73mm English/BSA threaded
Pedals
None
Chain
Shimano Deore M6100, 12-speed
Cassette
Shimano Deore M6100, 12-speed, 10-51 tooth
Rims
Bontrager Line TLR 30 Alloy, 28 hole, tubeless ready
Hubs
Bontrager alloy, sealed bearings, 15mm x 110mm (Boost) front, 12mm x 148mm (Boost) rear with Rapid Drive 108 freehub and MICRO SPLINE driver
Spokes
Bontrager wheelset
Tires
Bontrager Brevard Pro XR, dual compound, aramid bead, 60 TPI, tubeless ready, 2.5"
Saddle
Bontrager Verse P3, steel rails
Seatpost
TranzX JD-YSI34 dropper
Drop: 150mm (SM), 170mm (MD/ML), 200mm (LG/XL)
Seatpost Diameter
31.6mm
Seatpost Clamp
Single bolt
Rear Dropout / Hub Dimensions
12mm x 148mm (Boost)
Max. Tire Size
2.6"
Bottle Cage Mounts
One inside front triangle, plus accessory mounts under top tube and frame bag mounting points
Colors
Dark Star, Lava
Warranty
Lifetime frame, 2 years Trek/Bontrager parts and paint/decals
Weight
31 lb 4.2 oz (14180 g)
Miscellaneous
• SM has 27.5" wheels; MD-XL have 29" wheels
• Internal derailleur and dropper seatpost cable routing
• Includes frame bag: recycled ripstop polyester with a water resistant eco-friendly DWR coating and two-sided access
• Weight listed excludes frame bag
• Frame weight: 2250 g (4.96 lbs)
Price
$2,399.99
More Info

Trek website

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Where To Buy
$70 standard shipping on bikes (continental U.S. only).
$70 standard shipping on bikes (continental U.S. only).
$2,399.99
Roscoe 8 Gen 4
$2,399.99
Roscoe 7 Gen 4
$1,499.99
Roscoe 8
$2,399.99
Free U.S. shipping on everything.
International shipping available. Some exclusions apply.
Free shipping on orders over $50 (continental U.S. only).
International shipping available. Some exclusions apply.
Free shipping on orders over $69 (continental U.S. only).
International shipping available. Some exclusions apply.
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