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Trek Roscoe 6

Trek Roscoe 6
  • Color: Crimson
  • Color: Power Surge
  • Color: Matte Keswick
Size: Select size
Please select options Unavailable


Roscoe 6 is the ideal gateway to mountain biking for new riders looking to have a fun time on the trail. It boosts confidence with a 140mm travel air-spring fork that soaks up bumps and roots, an easy-to-use 1x Shimano CUES drivetrain, and playful frame geometry that makes it easier to control your bike on technical trails and winding singletrack.

It's right for you if...
You know there are good times to be had on the trail, and you want to be part of them! You're looking for an easy entry to the sport of mountain biking on a bike that will keep you excited and motivated to get out there day after day.

The tech you get
A strong aluminum frame, fast-rolling 29er wheels with wide, grippy 2.6" tires, and an SR Suntour fork with 140mm of travel. It has a trail-tough Shimano CUES drivetrain with 9 speeds and a wide range of gears for climbing, hydraulic disc brakes, and a dropper post for extra room on rough trails.

The final word
Roscoe 6 is your new best friend on the trail. It's patient, playful, and confidence-inspiring. It's all about getting out there, having fun, and enjoying the great sport of trail riding!

Why you'll love it
- It's more fun to be a better rider: Roscoe is so stable and forgiving, it's like an instant ability upgrade
- 29er wheels and wide 2.6" tires make for a grippy, confident, and fast-rolling ride
- The dropper post lets you lower your saddle on the fly so it's out of the way on descents
- Its 140mm suspension fork has plenty of travel to soak up big roots and rocks


Ready to get rowdy
With 140mm front travel, trail-smashing 29-inch wheels, and dialed-for-dirt frame features, Roscoe is ready to get rowdy on your favorite 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
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.

Shimano CUES
Inspired by rider demand for trouble-free drivetrain longevity and performance, Shimano CUES offers a new foundation for versatility and durability across a range of both electric and standard bikes. CUES features Shimano’s new LINKGLIDE drivetrain technology for significantly increased life on wear items like chains, cassettes, and chainrings.

LINKGLIDE technology has been specifically engineered for incredible durability while still delivering smooth and decisive shifting – along with a great pedaling experience. Available exclusively on Shimano CUES drivetrains.

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.

SizeRider HeightInseam
X-Small 145 - 155 cm
4'9" - 5'1"
69 - 73 cm
27" - 29"
Small 155 - 165 cm
5'1" - 5'5"
74 - 78 cm
29" - 31"
Medium 165 - 176 cm
5'5" - 5'9"
79 - 83 cm
31" - 33"
Medium/Large 173 - 180 cm
5'8" - 5'11"
81 - 86 cm
32" - 34"
Large 177 - 188 cm
5'10" - 6'2"
84 - 89 cm
33" - 35"
X-Large 188 - 195 cm
6'2" - 6'5"
89 - 91 cm
35" - 36"


Frame size letterX-SmallSmallMediumMedium/
Wheel size 27.5" 29" 29" 29" 29" 29"
A — Seat tube 34 36 42 43.5 45 50
B — Seat tube angle 73.1° 73.1° 73.1° 73.1° 73.1° 73.1°
Effective seat tube angle 74.7° 74.7° 74.7° 74.7° 74.7° 74.7°
C — Head tube length 9 9 10 10.5 11 13.5
D — Head angle 65.0° 65.0° 65.0° 65.0° 65.0° 65.0°
E — Effective top tube 55.2 58.6 61.4 63 64.6 67.7
F — Bottom bracket height 31.9 32.2 32.2 32.2 32.2 32.2
G — Bottom bracket drop 4.5 6.1 6.1 6.1 6.1 6.1
H — Chainstay length 43 43 43 43 43 43
I — Offset 4.2 4.2 4.2 4.2 4.2 4.2
J — Trail 12.2 13.1 13.1 13.1 13.1 13.1
K — Wheelbase 112 115.1 118.1 119.8 121.5 125
L — Standover 72.9 74.1 74.8 74.2 75.5 76.5
M — Frame reach 39 41.5 44 45.5 47 49.5
N — Frame stack 59.1 62.6 63.5 63.9 64.4 66.6


Frame Alpha Gold Aluminum, tapered head tube, internal derailleur & dropper post routing, ISCG 05, threaded BB, Boost148, 12mm thru axle
Fork SR Suntour XCR 34, air spring, LO R damper, hydraulic lockout, tapered steerer, 44mm offset, Boost110, 15mm bolt-on thru axle, 140mm travel
Rims Bontrager Line TLR 30, Tubeless Ready, 28-hole, Presta valve
Hubs Front: Shimano TC500 alloy, centerlock, 110x15mm thru axle
Rear: Shimano TC500 alloy, centerlock, 148x12mm thru axle
Tires Size: XS Bontrager Gunnison Elite XR, Tubeless Ready, wire bead, 60 tpi, 27.5x2.60''
Size: S, M, M/L, L, XL Bontrager Gunnison Elite XR, Tubeless Ready, wire bead, 60 tpi, 29x2.60''
Bottom Bracket Shimano 7420ST, 73mm, threaded cartridge
Crankset Size: XS, S, M, M/L, L FSA Alpha Drive, 28T steel ring, Boost, 170mm length
Size: XL FSA Alpha Drive, 28T steel ring, Boost, 175mm length
Rear Derailleur Shimano CUES U4000
Cassette/Freewheel Shimano LINKGLIDE LG300, 11-46, 9 speed
Chain Shimano LG500, 9/10/11 speed
Brakes Tektro HD-M275 hydraulic disc
Rotors Size: XS, S, M, M/L, L, XL Tektro, centerlock, 180mm
Size: XS, S, M, M/L, L, XL Tektro, centerlock, 203mm
Handlebars Size: XS, S Bontrager alloy, 31.8mm, 15mm rise, 750mm width
Size: M, M/L, L, XL Bontrager Rhythm Comp, alloy, 31.8mm, 15mm rise, 780mm width
Tape/Grips Bontrager XR Trail Comp, nylon lock-on
Stem Size: XS, S Bontrager alloy, 31.8mm, Blendr compatible, 7 degree, 35mm length
Size: M, M/L, L, XL Bontrager alloy, 31.8mm, Blendr compatible, 7 degree, 50mm length
Headset FSA IS-2, 1-1/8'' top, 1.5'' bottom
Seatpost Size: XS, S TranzX JD-YSP18, 100mm travel, internal routing, 31.6mm, 361mm length
Size: M TranzX JD-YSP18, 130mm travel, internal routing, 31.6mm, 425mm length
Size: M/L, L, XL TranzX JD-YSP18, 150mm travel, internal routing, 31.6mm, 470mm length
Saddle Bontrager Verse Short, stainless steel rails
Pedals VP-536 nylon platform

* Subject to change without notice.


Part Numbers

Option UPC MPN Store SKU
Power Surge / X-Large 601479173921 5294644 ROS19783621E
Crimson / X-Small 601479155224 5294633 ROS16127924N
Crimson / X-Large 601479154982 5294638 ROS16585815N
Matte Keswick / X-Small 601479154906 5294627 ROS2198926K