Why buy your bike from Sigma Sports?
Don't hesitate to reach out to us. It's our goal to answer all of your questions and offer the best advice from our experts. We’ll be happy to answer any questions you may have. Contact us now or visit us in-store.
All our bikes are fully built by our Cytech qualified mechanics. To find out more, see the Built, Checked, Tuned and Tested section below to see how we'll deliver your bike.
We offer FREE DELIVERY of your bike to your home or place of work. Once you've placed your order, our Customer Care team will be in contact to offer a convenient delivery date of your choice.
We've partnered with PedalSure to offer you 30-DAYS FREE bike insurance on new bikes over £400. Visit our Cycle Insurance page to learn more and claim.
Trek Roscoe 7 Mountain Bike 2021
The grin-inducing Roscoe 7 Mountain Bike from Trek is a very affordable way to get out onto the trails and have some fun. The Alpha Gold Aluminium frame and 120mm travel RockShox Judy SL fork at its heart are a great starting point and they're well complemented by the plus-sized 2.8” tyres and 27.5” wheels, keeping the bike nimble and playful.
The TranzX dropper seatpost adds still more to the bike’s abilities, allowing the saddle to be lowered at the touch of a lever. SRAM’s 12-speed SX drivetrain and Shimano’s MT200 hydraulic disc brakes are reliable and easy to operate, with the single front ring matched to an 11-50 cassette giving a wide range of ratios.
Highlights
- Trek Alpha Gold Aluminium frame with rack and kickstand mount
- RockShox Judy SL, Solo Air spring fork with 120mm travel (Size XS: 100mm)
- SRAM SX Eagle 12-speed drivetrain
- Shimano MT200 hydraulic disc brakes
- Bontrager Line 40 Tubeless Ready 27.5” wheels
- TranzX JD-YSP18 dropper seatpost
Technical Specification
| Frame | Trek Alpha Gold Aluminium, tapered head tube, internal derailleur and dropper post routing, rack and kickstand mount, Boost141, 5mm QR |
| Fork | RockShox Judy SL, Solo Air spring, TurnKey hydraulic lockout, tapered steerer, 42mm offset, Boost110, 15mm Maxle Stealth, 120mm travel (Size XS |
| Headset | Semi-integrated, cartridge bearing, 1-1/8" top, 1.5" bottom |
| Bottom bracket | Truvativ Powerspline, 73mm, threaded cartridge, 118mm spindle |
| Stem | Bontrager Rhythm Comp, 31.8m, Knock Block, 0 degree |
| Handlebar | Bontrager alloy, 31.8mm, 15mm rise |
| Grips | Bontrager XR Trail Comp, nylon lock-on |
| Brakes | Shimano MT200 hydraulic disc |
| Brake Levers | Shimano MT501 hydraulic disc |
| Rear Derailleur | SRAM SX Eagle, 12-speed |
| Shift Levers | SRAM SX Eagle, 12-speed |
| Cassette | SRAM PG-1210 Eagle, 11-50, 12-speed |
| Chain | SRAM SX Eagle, 12-speed |
| Crankset | SRAM SX Eagle, GXP, 30T steel ring, Boost |
| Front wheel | Bontrager Line 40, Tubeless Ready, 28-hole, 40mm width, Presta valve rim with Formula DC-511, 6-bolt, Boost110, 15mm thru-axle hub |
| Rear wheel | Bontrager Line 40, Tubeless Ready, 28-hole, 40mm width, Presta valve rim with Formula DC-2241, alloy, 6-bolt, Boost141, 5mm QR |
| Tyres | Maxxis Rekon, wire bead, 60 tpi, 27.5X2.80" clincher |
| Saddle | Bontrager Arvada, steel rails, 138mm width |
| Seatpost | TranzX JD-YSP18 dropper, internal routing, 31.6mm |
| Manufacturer Claimed Weight | S - 14.71 kg / 32.43 lbs (with tubes) |
Built, Checked, Tuned and Tested
All our bikes are fully built, checked, tuned and tested by our Cytech qualified mechanics and then securely packaged, ready for delivery. All you have to do is add the pedals (if specified), attach the handlebars to the stem and tighten them following the included detailed instructions or by watching our video and using the provided FREE tools. Visit our Bike Assembly page to see how you assemble your new bike once you receive it.
All bikes collected from our shop, are built, tested and ready to ride.
Please note, occasionally, manufacturers may change the specification without notice. Bicycles do not come with pedals unless otherwise specified. We do not install accessories to bikes, including mudguards.
Trek Roscoe 7 Mountain Bike 2021 Sizing
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