Specification

Details

Model

Roscoe 8 Gen 4

Vehicle Category

Trail Hardtail Mountain Bike

Application

Trail riding, singletrack, fun on dirt

Starting Price (2025)

$1,399.93 USD (sale), $2,399.99 USD (original)

Color Options

Mulsanne Blue, Green Dark

Sizes

XS, S, M, ML, L, XL

Specification

Details

Frame

Alpha NEXT Platinum Aluminum, tapered head tube, internal derailleur & dropper post routing, ISCG 05, threaded BB, ZS headset cups, Boost148, 12mm thru axle, molded chainstay protection, bolt-on downtube protector

Fork

Fox Rhythm 36, Float EVOL air spring, GRIP damper, lockout, tapered steerer, 44mm offset (XS: 37mm offset), Boost110, 15mm Maxle Stealth, 150mm travel

Drivetrain Compatibility

Shimano Deore, 1x12-speed

Dropouts

148x12mm thru axle (R), 110x15mm thru axle (F)

Crank

Shimano Deore M6100, 30T, 55mm chainline, 170mm length (XS, S, M, ML, L), 175mm length (XL)

Chain

Shimano Deore M6100, 12-speed

Rear Derailleur

Shimano Deore M6100

Shifters

Shimano Deore M6100, 12-speed

Cassette

Shimano Deore M6100, 10-51T, 12-speed

Specification

Details

Seating

Bontrager Arvada, steel rails, 138mm width

Cargo Capacity

Roscoe-specific bolt-on frame bag, downtube water bottle bosses, top tube accessory mount

Wheels/Tyres

Bontrager Brevard Pro XR, tubeless ready, 60 tpi, 27.5x2.50" (XS, S), 29x2.50" (M, ML, L, XL)

Wheel Size

27.5" (XS, S), 29" (M, ML, L, XL)

Brakes

Shimano Deore M6120, 4-piston hydraulic disc, 180mm rotor (F, R)

Brake Levers

Shimano Deore M6100, hydraulic

Handlebar

Bontrager Rhythm Comp, alloy, 31.8mm, 15mm rise, 750mm width (XS, S), 780mm width (M, ML, L, XL)

Stem

Bontrager Comp, 31.8mm, Blendr compatible, 7 degree, 35mm length (XS, S), 50mm length (M, ML, L, XL)

Headset

ZS (Zero Stack), sealed cartridge bearing, 1-1/8" top, 1.5" bottom

Saddle

Bontrager Arvada, steel rails, 138mm width

Seatpost

TranzX JD-YSP39, 150mm travel (XS, S), 170mm travel (M, ML, L, XL), internal routing, 31.6mm

Seatpost Clamp

Integrated, internal

Grips

Bontrager XR Trail Comp, nylon lock-on

Front Hub

Bontrager alloy, sealed bearing, 6-bolt, 110x15mm thru axle

Rear Hub

Bontrager alloy, sealed bearing, 6-bolt, Rapid Drive 108, Shimano 10/12-speed freehub, 148x12mm thru axle

Rims

Bontrager Line Comp 30, tubeless ready, 28-hole, Presta valve

Spokes

14g stainless steel

Pedals

VP-536 nylon platform

Exterior Features

Roscoe-specific bolt-on frame bag, downtube water bottle bosses, top tube accessory mount, molded chainstay protection, bolt-on downtube protector, ZS headset cups, 65-degree head tube angle, ISCG 05, tubeless ready wheels

Weight

14.18 kg (M, with TLR sealant, no tubes)