Trek Roscoe 8 Gen 4 2026

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  • Overview
  • Conquer the trails with the 2026 Trek Roscoe 8 Gen 4 – a rowdy hardtail with 150mm Fox 36 fork, Deore 12-speed drivetrain, and 4-piston brakes. Available at Fresh Air Kelowna.

Product details

IN STORE PICKUP OR LOCAL DELIVERY ONLY

2026 Trek Roscoe 8 Gen 4 – Built for Boosts, Berms, and Big Lines
A hardtail that rides like a party—aggressive, capable, and ready for anything.

The 2026 Trek Roscoe 8 Gen 4 is a trail-hungry hardtail made for riders who chase side hits, shred descents, and love every rowdy moment in between. Its Alpha Gold Aluminum frame is paired with a 150mm Fox Rhythm 36 fork, giving you the confidence to smash through rock gardens and stay planted on steep, technical terrain. The 12-speed Shimano Deore drivetrain delivers a wide gear range for spinning up tough climbs, while the Shimano M6100 4-piston hydraulic disc brakes provide confident, consistent stopping power. Whether you're hitting your local flow trails or diving into untamed backcountry singletrack, the Roscoe 8 is always game.

 

 

IT'S RIGHT FOR YOU IF

 

THE TECH YOU GET

 

THE FINAL WORD

 

WHY YOU'LL LOVE IT

 

SPECS

 

FRAMESET

Frame: Size: S, XL, L, M, ML
Alpha Platinum Aluminum, tapered head tube, ZS headset, internal derailleur & dropper post routing, ISCG 05, threaded BB, UDH, 148x12mm thru axle

Fork: Size: S
Fox Rhythm 36, Float EVOL air spring, GRIP damper, tapered steerer, 44mm offset, Boost110, 15mm Kabolt axle, 150mm travel

Size: XL, L, M, ML
Fox Rhythm 36, Float EVOL air spring, GRIP damper, tapered steerer, 44mm offset, Boost110, 15mm Kabolt X axle, 150mm travel

WHEELS

Hub Front: Size: S, XL, L, M, ML
Bontrager alloy, sealed bearing, alloy axle, 6-bolt, Boost110, 15 mm thru axle

Hub Rear: Size: S, XL, L, M, ML
Bontrager alloy, sealed bearing, 6-bolt, Rapid Drive 108, Shimano freehub, Boost148, 12mm thru axle

Skewer Rear: Size: S, XL, L, M, ML
Bontrager Switch thru axle, removable lever

Rim: Size: S, XL, L, M, ML
Bontrager Line TLR 30, Tubeless Ready, 28-hole, Presta valve

Tire: Size: S
Bontrager Brevard Pro XR, Tubeless Ready, dual compound, aramid bead, 60 tpi, 27.5x2.50"

Size: XL, L, M, ML
Bontrager Brevard Pro XR, Tubeless Ready, dual compound, aramid bead, 60 tpi, 29x2.50"

Tire: Size: S, XL, L, M, ML
Bontrager TLR sealant, 180 ml/6 oz

Rim Strip: Size: S, XL, L, M, ML
Bontrager TLR

Max Tire Size: Frame: 29x2.60", Fork: See manufacturer

COMPONENTS

Saddle: Size: S, XL, L, M, ML
Bontrager Verse P3, steel rails

*Seatpost: Size: S
TranzX JD-YSI34, 150mm travel, internal routing, 31.6mm, 456mm length

Size: M, ML
TranzX JD-YSI34, 170mm travel, internal routing, 31.6mm, 500mm length

Size: XL, L
TranzX JD-YSI34, 200mm travel, internal routing, 31.6mm, 565mm length

*Handlebar: Size: S
Bontrager alloy, 31.8mm, 15mm rise, 750mm width

Size: XL, L, M, ML
Bontrager Comp, alloy, 31.8mm, 40mm rise, 780mm width

Grips: Size: S, XL, L, M, ML
Trek Line Comp, nylon lock-on

Stem: Size: S
Bontrager Comp, 31.8mm, 7 degree, 35mm length

Size: XL, L, M, ML
Bontrager Comp, 31.8mm, Blendr compatible, 7 degree, 50mm length

Headset: Size: S, XL, L, M, ML
FSA Orbit, sealed cartridge bearing, 1-1/8'' top, 1.5'' bottom, 1.5 crown

Brake: Size: S, XL, L, M, ML
Shimano M6120 4-piston hydraulic disc

Brake Rotor: Size: S, XL, L, M, ML
Shimano RT66, 6-bolt, 180mm

Size: S, XL, L, M, ML
Shimano RT66, 6-bolt, 203mm

Rotor Size: Max brake rotor sizes - Frame: 203mm, min 180mm, Fork: see fork manufacturer

DRIVETRAIN

Shifter: Size: S, XL, L, M, ML
Shimano Deore M6100, 12 speed

Rear Derailleur: Size: S, XL, L, M, ML
Shimano Deore M6100, long cage

*Crank: Size: S, XL, L, M, ML
Shimano MT512, 30T ring, 55mm chainline, 170mm length

Bottom Bracket: Size: S, XL, L, M, ML
Shimano BB-MT501 BSA

Cassette: Size: S, XL, L, M, ML
Shimano Deore M6100, 10-51, 12 speed

Chain: Size: S, XL, L, M, ML
Shimano Deore M6100, 12 speed

Max Chainring Size: 1x: 34T, min 28T

WEIGHT

Weight: M - 14.18 kg / 31.27 lbs (with TLR sealant, no tubes)

Weight Limit: This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 300 pounds (136 kg).

 

 

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