Warrantied for life
Each Trek carries a simple promise: We’ll take care of you and do what's right.
Learn more here.
'I'm stoked'
'I think it's the best looking bike in it's price range, the fit works great for me, and the drivetrain is excellent.'
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"Ready to rumble"
"Has the chops to squeeze every last drop of fun from local park trails, plus the talent to conquer black diamond terrain on the weekends."
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"Wow"
"Much more capable downhill than I would have ever imagined; then, when I finished a lap and turned around to pedal back up, I was pleasantly surprised by the comfort and efficiency of the Roscoe’s climbing position."
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"5 out of 5"
"One of the best we've ever tried at this price. So fun and capable, it makes boring trails interesting and difficult trails manageable. "
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Service manual
Time to get out the repair stand for some maintenance? Find a detailed breakdown of your bike with part numbers, torque values and platform-specific tech instructions below.
Get it hereGet faster on the trail in a week
When it comes to being a better trail rider, practice makes perfect. Get seven tips from Pinkbike’s Christina Chappetta that will have you setting PRs and riding with more confidence in no time.
Read moreHardtail Homies can't lose
Cam McCaul breaks down the ten reasons why a trail hardtail is a must-have for any mountain biker.
Watch the videoProduct features
Ready to get rowdy
With 140 mm front travel, trail-smashing 29-inch wheels, and dialled-for-dirt frame features, the Roscoe is ready to get rowdy on your favourite rides.
Progressive trail geometry
A long reach, slack head angle, steep seat angle and short chain stays combine for a ride that's confidence-inspiring, yet still nimble and fun.
The strong quiet type
The Roscoe stays well protected with a double-sided chainstay guard, tough downtube guard and internal cable guides that help your ride stay quiet, even over rough trails.
Upgrade your pedals and love your bike more
Pedals are two of the five touchpoints that connect you with your bike, and even though this bike comes with a pair, upgrading to pedals that boost control and grip will greatly improve your ride. See the pedal guide and find the best pedals for your riding style. We recommend flat pedals for simple versatility.
Complete Tubeless System
Tubeless Ready rims and tyres make it easy to ditch the tubes so you get better traction, fewer flats and less weight. You're ready to roll straight out of the box with the included TLR rim strips, valves and sealant.
Learn moreBoost148/110
Wider dropouts (110mm front, 148mm rear) give you the stiffness of a 27.5" wheel with all the benefits of a 29" wheel, and Boost148 at the back lets you run wider tyres and a larger chain ring without affecting q-factor and pedalling efficiency.
Dropper post
Use the remote lever to lower your saddle so it's out of your way when you're descending and cornering.
Internal cable routing
We route shift and brake cables through the frame to keep things clean and simple. And it looks great, too.
ISCG mounts
International Standard Chain-Guide mounts offer easy chain-guide installation and adjustment.
Threaded bottom bracket
More robust than pressfit, threaded BBs hold up in nasty conditions and make servicing easier.
| Frame | Alpha Gold Aluminium, tapered head tube, internal derailleur & dropper post routing, ISCG 05, threaded BB, Boost148, 12 mm thru axle |
|---|---|
| *Fork |
Size:
XS RockShox 35 Gold RL, DebonAir spring, Motion Control damper, lockout, tapered steerer, 37 mm offset, Boost110, 15 mm Maxle Stealth, 140 mm travel |
|
Size:
S, M, ML, L, XL RockShox 35 Gold RL, DebonAir spring, Motion Control damper, lockout, tapered steerer, 44 mm offset, Boost110, 15 mm Maxle Stealth, 140 mm travel |
| Wheel rear | Bontrager Line Comp 30, Tubeless Ready, Rapid Drive 108, 6-bolt, Boost148, 12mm thru axle, 27.5'' |
|---|---|
| Hub front | Bontrager alloy, sealed bearing, alloy axle, 6-bolt, Boost110, 15 mm thru axle |
| Hub rear | Bontrager alloy, sealed bearing, 6-bolt, Rapid Drive 108, Shimano 10 freehub, Boost 148, 12 mm thru axle |
| Skewer rear | Bontrager Switch thru-axle, removable lever |
| Rim | Bontrager Line Comp 30, Tubeless Ready, 28-hole, Presta valve |
| Spokes | 14 g stainless steel, black |
| *Tyre |
Size:
XS Bontrager XR4 Team Issue, Tubeless Ready, Inner Strength sidewalls, aramid bead, 120 tpi, 27.5 x 2.60" |
|
Size:
S, M, ML, L, XL Bontrager XR4 Team Issue, Tubeless Ready, Inner Strength sidewalls, aramid bead, 120 tpi, 29 x 2.60" |
|
| Tyre part | Bontrager TLR sealant, 180 ml/6 oz |
| Rim strip | Bontrager TLR |
| Max tyre size | Frame: 29x2.60" (XS: 27.5x2.60"), Fork: See manufacturer |
| Shifter | SRAM NX Eagle, 12-speed |
|---|---|
| Rear derailleur | SRAM GX Eagle |
| *Crank |
Size:
XS, S, M, ML, L SRAM X1 Eagle, DUB, 30T steel ring, 52 mm chainline, 170 mm length |
|
Size:
XL SRAM X1 Eagle, DUB, 30T steel ring, 52 mm chainline, 175 mm length |
|
| Bottom bracket | SRAM DUB, 73 mm, BSA threaded |
| Cassette | SRAM PG-1230 Eagle, 11-50, 12 speed |
| Chain | SRAM NX Eagle, 12-speed |
| Pedal | VP-536 nylon platform |
| Max. chainring size | 1x: 32T (52mm chainline), 34T (55mm chainline) |
| Saddle | Bontrager Arvada, steel rails, 138 mm width |
|---|---|
| *Seatpost |
Size:
XS, S TranzX JD-YSP18, 100 mm travel, internal routing, 31.6 mm, 361 mm length |
|
Size:
M TranzX JD-YSP18, 130 mm travel, internal routing, 31.6 mm, 425 mm length |
|
|
Size:
ML, L, XL TranzX JD-YSP18, 150 mm travel, internal routing, 31.6 mm, 470 mm length |
|
| *Handlebar |
Size:
XS, S Bontrager alloy, 31.8 mm, 15 mm rise, 750 mm width |
|
Size:
M, ML, L, XL Bontrager Rhythm Comp, alloy, 31.8 mm, 15 mm rise, 780 mm width |
|
| Grips | Bontrager XR Trail Comp, nylon lock-on |
| *Stem |
Size:
XS, S Bontrager Comp, 31.8 mm, 7-degree, 35 mm length |
|
Size:
M, ML, L, XL Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 50 mm length |
|
| Head set | FSA IS-2, 1-1/8" top, 1.5" bottom |
| Brake | Shimano hydraulic disc, MT4100 lever, MT420 4-piston calliper |
| *Brake rotor |
Size:
XS, S, M, ML, L, XL Shimano RT66, 6-bolt, 180 mm |
|
Size:
XS, S, M, ML, L, XL Shimano RT66, 6-bolt, 203 mm |
|
| Rotor size | Max brake rotor sizes - Frame: 180mm, Fork: see fork manufacturer |
| Weight | M – 29.85 lb / 13.54 kg (with TLR sealant, no tubes) |
|---|---|
| Weight limit | This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 136 kg (300 lb). |