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2021 Trek

Roscoe 8

A 27.5″ aluminum frame hardtail trail bike with high-end components.
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Manufacturer Price

$1,879
Weight32.3 lbs  
FrameAluminum
SuspensionHardtail, 120mm
ForkRockShox 35 Gold RL
Wheels27.5″ Aluminum
Drivetrain1 × 12
GroupsetNX Eagle, Truvativ Descendant
BrakesShimano Deore Hydraulic Disc
SeatpostDropper
Where to Buy
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Insights
Ride Feel

Based on frame geometry and build specs.

Terrain
easyextreme
Handling
nimblestable
Roscoe 8
Other Trail bikes
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

22 mph

Roscoe 8

26 mph

Similar Bikes

Highest gear

(descending)

Sizing
XS

4'5" – 5'2"

SM

5'0" – 5'6"

MD

5'3" – 5'8"

MD/LG

5'5" – 5'11"

LG

5'9" – 6'3"

XL

6'1" – 6'6"

XXL

6'4" – 6'8"

Rider Fit Notes

None yet.

Do you have this bike? Help other riders make a decision about which size will work for them by sharing your own size and fit notes.

Price History
Reviews

Summary

The Trek Roscoe is a versatile trail bike praised for its aggressive geometry, comfortable ride, and capable performance across various models. It offers a range of frame sizes and specs, including dropper posts and wide tire compatibility, making it appealing for both casual and experienced riders. However, entry-level models retain older frame designs, and higher-end models come with a significant price increase.

Pros
  • Aggressive geometry appealing to experienced riders

  • Wide range of frame sizes and specs

  • Comfortable and engaging ride

  • Capable performance for the price

Cons
  • Entry-level models feature older frame designs

  • Higher-end models are significantly more expensive

  • Some components like brakes and dropper posts may require upgrades

Key Quotes
The numbers and spec on the new Roscoe are aggressive enough to appeal to the masochists, not just the masses.
Beta logoBeta
The Trek Roscoe 7 is a fun, affordable performer.
BikeRadar logoBikeRadar
It takes the buzz out of the trails and is happy pedalling for all-day epics or blasts around the local woods.
BikeRadar logoBikeRadar

Feedback?

View all reviews

Bike Perfect
Trek Roscoe 6 review – more minus than plus

Sep 2022 · Guy Kesteven

Roscoe looks great on paper but it’s disappointing on the trail

Highs
  • Super wide size range

  • Dropper post

  • Tapered head tube

  • Potential plus tire gains

Lows
  • Awful fork

  • Outdated frame

  • Very heavy

  • Cable rattle

  • Numb brakes

  • Wet hating, tubed plus tires

Read Review

Singletrack World
Trek Roscoe 24 review: great little trail bike

Aug 2022 · Barney Marsh

The Trek Roscoe 24 sports fat tyres, 1x drivetrain, wide-range cassette, sloping top tube and rear brake calliper is tucked into the frame.

Read Review

BikeRadar
Trek Roscoe 7 review

Nov 2021 · Luke Marshall

The Roscoe’s a well-rounded package that delivers an engaging ride, but with a few compromises

Highs
  • Lots of frame sizes to choose from

  • Shimano Deore gears work well

  • Best frame protection on test

Lows
  • Wide tyres can feel vague and roll at high speeds

  • Weak brakes compared to others

  • TranzX dropper post was sticky

Read Review

Loam Wolf
Review: Trek Roscoe 9 Hardtail

Sep 2021 · JP Purdom

The Trek Roscoe 9is a killer offering for riders wanting an all-around hardtail ripper with a balanced geo and solid build spec.

Highs
  • Surprisingly capable

  • Balanced geometry

  • Comfortable climbing position

  • Reasonable price

Lows
  • Minor spec niggles

  • Sore ankles

Read Review

Beta
Trek Introduces the New Roscoe Hardtail

Jul 2021 · Beta

We know trickle-down technology, but trickle-down geometry is far too rare. the new Trek Roscoe brings the shred to the masses.

Read Review

Bikerumor
2022 Trek Roscoe 140mm hardtail gets 29" wheels and longer, lower, slacker geometry

Jul 2021 · Jessie-May Morgan

The 2022 Trek Roscoe gets 29" wheels, modern trail geometry update and a 140mm fork, evolving into a progressive hardtail mountain bike

Read Review

MBR
Trek Roscoe 8 review - MBR

Oct 2018 · Alan Muldoon

Now in its third year of production, the Trek Roscoe 8 is a Plus tyred trail-hardtail that’s decked out with all the modern luxuries you could want.

Highs
  • Grip, comfort and control.

Lows
  • Indexed action of Judy fork.

Read Review

off.road.cc
Trek Roscoe 9 review

Apr 2018

Trek's Roscoe 9 marries an aluminium frame with trail riding orientated geometry to chubby 2.8" Plus tyres on 27.5" rims. While it doesn't jam in as much value as direct sales rivals, it more than makes up for that with a fun, refined ride and coherent kit list. Review: Genesis Tarn 20 - a steel framed Plus tyre trail hardtail Buying your first mountain bike: our guide to everything you need to know Review: Trek Fuel EX5 Women's 27.5 Plus - confidence inspiring Plus trail susser The Roscoe is a bit of a departure for Trek.

Read Review

Geometry
Specs
Build
Frame

Alpha Gold Aluminum, tapered head tube, internal derailleur & dropper post routing, rack & kickstand mount, Boost141, 5mm QR

BB StandardBSA, 73mm, Threaded

Tire Clearance2.8"

ColorsDark Aquatic / Metallic Gunmetal; Matte Black / Red/marigold Fade

Fork

Size: XS, RockShox 35 Gold RL, DebonAir spring, Motion Control damper, lockout, tapered steerer, 44mm offset, Boost110, 15mm Maxle Stealth, 100mm travel; Size: S, M, M/L, L, XL, RockShox 35 Gold RL, DebonAir spring, Motion Control damper, lockout, tapered steerer, 44mm offset, Boost110, 15mm Maxle Stealth, 120mm travel

Travel120mm

Spring TypeAir

Bottom Bracket

Truvativ Powerspline, 73mm, threaded cartridge, 118mm spindle

Headset

Semi-integrated, loose ball bearing, 1-1/8'' top, 1.5'' bottom

Stem

Size: XS, S, M, Bontrager Rhythm Comp, 31.8mm, Knock Block, 0 degree, 50mm length; Size: M/L, L, XL, XXL, Bontrager Rhythm Comp, 31.8mm, Knock Block, 0 degree, 60mm length

Handlebar

Size: XS, Bontrager alloy, 31.8mm, 15mm rise, 720mm width; Size: S, M, M/L, L, XL, XXL, Bontrager alloy, 31.8mm, 15mm rise, 750mm width

Saddle

Bontrager Arvada, steel rails, 138mm width

Seatpost

Size: XS, S, M, TranzX JD-YSP18, 100mm travel, internal routing, 31.6mm, 361mm length; Size: M/L, L, XL, XXL, TranzX JD-YSP18, 130mm travel, internal routing, 31.6mm, 425mm length

TypeDropper

Pedals

VP-536 nylon platform

Grips

Bontrager XR Trail Comp, nylon lock-on

Groupset
Rear Derailleur

SRAM NX Eagle

Crank

Size: XS, S, Truvativ Descendant 6k Eagle, GXP, 30T alloy ring, Boost, 170mm length; Size: M, M/L, L, XL, XXL, Truvativ Descendant 6k Eagle, GXP, 30T alloy ring, Boost, 175mm length

Shifters

SRAM NX Eagle, 12 speed

Cassette

SRAM PG-1230 Eagle, 11-50, 12 speed

Chain

SRAM NX Eagle, 12 speed

Brakes

Shimano hydraulic disc, MT501 lever, MT500 caliper

TypeShimano Deore Hydraulic Disc

Wheels
Rims

Bontrager Line 40, Tubeless Ready, 28-hole, 40mm width, presta valve

Spokes

14g stainless steel

Front Hub

Bontrager alloy, sealed bearing, alloy axle, 6-bolt, Boost110, 15mm thru axle

Rear Hub

Formula DCL-141Q, sealed bearing, 6-bolt, Shimano 10 freehub, Boost141, 5mm QR

Tires

Maxxis Rekon, tubeless, 60 tpi, 27.5x2.80''

Disc Rotors

Shimano RT56, 6-bolt, 180mm

Rider Notes
Riders Also Viewed

First added June 17

Last updated May 30