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.
Save up to 47% with any one of our 11 Cycle to Work partners, and get the health benefits of a new bike in exchange for tax free salary sacrifice. To find out more about our various partners and how to apply click here.
Choose between Free Bike Delivery - to your home or place of work - or our new Premier Bike Delivery Service £99.99 and have your bike delivered "ready to ride" and set up to your measurements with seatpost and pedals adjusted on arrival by a qualified bike mechanic. Either way, our Customer Care team will be in touch to arrange a delivery date to suit you.
We've partnered with Laka to offer you 30 days free bike Insurance on your new bike purchase over £400. Click here for more info and find out how to claim.
Trek Roscoe 8 Mountain Bike 2021
Trek’s Roscoe 8 Mountain Bike is a fine choice, for those new to the discipline as well as more experienced riders looking for a great value all-rounder. With 12-speed gears from SRAM and hydraulic disc brakes from Shimano, there is no questioning its validity as a serious mountain bike, especially when combined with Trek’s envious heritage in the sport.
The Alpha Gold Aluminium frame has a tapered head tube and is both lightweight and stiff enough for efficient power transfer whilst the wide 2.8” tyres and 120mm RockShox 35 Gold suspension fork keep the ride comfortable and the grip levels high. The TranzX dropper seatpost allows the saddle to be lowered (and raised again) instantly for greater control when descending steeply or enjoying flowing over the technical ground, while the 27.5” wheels also increase the bike’s agility.
Highlights
- Trek Alpha Gold Aluminium frame with rack and kickstand mount
- RockShox 35 Gold, Solo Air spring fork with 120mm travel
- SRAM NX Eagle 12-speed drivetrain
- Shimano MT500 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 35 Gold, Solo Air spring, Motion Control damper, lockout, tapered steerer, 44mm 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 MT500 hydraulic disc |
| Brake Levers | Shimano MT501 hydraulic disc |
| Rear Derailleur | SRAM NX Eagle, 12-speed |
| Shift Levers | SRAM NX Eagle, 12-speed |
| Cassette | SRAM PG-1230 Eagle, 11-50, 12-speed |
| Chain | SRAM NX Eagle, 12-speed |
| Crankset | Truvativ Descendant 6k Eagle, GXP, 30T alloy ring, Boost |
| Front Wheel | Bontrager Line 40, tubeless-ready, 28-hole, 40mm width, Presta valve rim with Bontrager alloy, sealed bearing, alloy axle, 6-bolt, Boost110, 15mm thru-axle hub |
| Rear Wheel | Bontrager Line 40, tubeless-ready, 28-hole, 40mm width, Presta valve rim with Formula DCL-141Q, sealed bearing, 6-bolt, Boost141, 5mm QR hub |
| 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 |
| Pedals | VP-536 nylon platform |
| Manufacturer Claimed Weight | S - 14.55 kg / 32.07 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 included), 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. For hassle-free home delivery and bike set-up from a qualified mechanic use our Premier Delivery Service.
Please note, occasionally, manufacturers may change the specification without notice. Bicycles do not come with pedals unless otherwise specified. Bikes ordered for delivery will not arrive with the pedals installed, please refer to the owners manual and pedal installation guides provided for guidance. We do not install accessories to bikes, including mudguards. Bikes ordered for delivery that have tubeless compatible tyres and rims will arrive with inner tubes installed or with tubeless valves installed, this will be brand dependent. Sealant is available to be purchased separately.
If you require any assistance please contact our Customer Care team.
Unable to display Reviews due to Privacy Settings.
Adjust your Cookie Preferences to Opt-in "YES" to "Functional Cookies".
Unable to display Q&A due to Privacy Settings.
Adjust your Cookie Preferences to Opt-in "YES" to "Functional Cookies".