Specialized Rockhopper Comp 29" 2X Mountain Bike 2021 - Hardtail MTB

The Specialized Rockhopper hardtail mountain bike continues a 30-year tradition of never settling for ‘good enough’. The Rockhopper Comp 29 2x starts with a lightweight, butted aluminium frame, and calls on modern gearing, class-leading kit and versatile geometry for capability that’s always on-call. Not stopping there, innovative sizing and custom Rx Tune suspension add big performance without dialling up the price.
Key Features:
- Lightweight butted aluminium alloy frame
- Custom tuned Suntour suspension fork for a smoother ride
- Shimano hydraulic disc brakes for confident speed control
- Shimano 2x9 speed drivetrain for a wide range of gears
- Sizes: M, L , XL, XXL
- Colours: Gloss Smoke / Satin Black, Gloss Oasis / Tarmac Black
- The Rockhopper Comp 29 2x is available with 0% APR finance
Strut your stuff high and low with the two-stepping Shimano 2x9 drivetrain on the Rockhopper Comp 2x. The size-specific Premium A1 Aluminum frame makes for the perfect dance partner with geometry that lets you attack twists and turns with sharp, responsive handling and tackle descents with confidence-inspiring stability.
An SR SunTour XCM fork gets our RxTune treatment and hydraulic disc brakes keep up with whatever rhythm you throw at them, while a killer wheelset with Shimano hubs means you've got plenty of options when it comes to lacing up your dancing shoes.
Key Features:
- A heart of gold, presented in our lightweight yet durable Premium A1 Aluminum, the Rockhopper features butted aluminum tubes in order to keep weight low and strength high, all while providing increased standover clearance, slick internal cable routing and dropper-post compatibility. With the goal of making sure that the Rockhopper offers both the best fit and best performance for every person, no matter their measure, we’ve paired each Rockhopper frame size with the optimal wheel size. The result is a Rockhopper to fit every rider and the assurance that every Rockhopper is rolling on the best-handling wheel for its frame size.
- With Rx Tune on Rockhopper, the lockout-equipped SR Suntour XCM with custom Multi-Circuit damping brings size-specific travel and spring rates to the show in a performance that’s sure to impress while also ensuring consistent geometry, handling and suspension performance, regardless of frame or wheel size.
- Beautifully beastly, Shimano MT200 hydraulic disc brakes pack a mean bite but deliver their power with a refined, intuitive feel to make for a package that punches way above its pay grade.
- Full 2x9 Shimano shifting handles drivetrain duties while you focus on the ride.
- Pair dead-reliable hubs from Shimano with our 25-millimeter internal diameter, hookless Stout rims for a wheelset hat-trick: strong, light and durable.
All Tredz bikes are:
- Fully built & ready to ride
- Fully checked & tested by Cytech qualified mechanics
- Available with 0% APR finance on any basket over £99
- UK price match guarantee
- 365 day no hassle returns
- Free delivery in the UK Mainland on a date that suits you
In the box with every Tredz bike is:
- Free Tredz 9 key trail tool
- Free Tredz pedal spanner
- Free basic pedals
- Tredz drawstring kit bag
- 16 point quality control check sheet
- Basic bike setup instructions
- Free Cycle Plan insurance voucher
Occasionally, without notice, manufacturers change product design and/or specifications.
Frame | A1 premium butted alloy, zero-stack head tube, internal cable routing, 135x9mm forged dropouts, chainstay-mounted disc brake, replaceable alloy derailleur hanger, stealth rack mounts, dropper post compatible |
Fork | SR Suntour XCM 29, 30mm Stanchions, Rx Tune, coil spring, custom Multi-Circuit damping w/lockout, QR, 90/100mm travel (size-specific), 46mm offset |
Stem | Stout 3D-forged alloy, 31.8mm, 6-degree rise |
Bars | Stout Mini Rise, alloy, 9-degree backsweep, 15mm rise, 31.8mm |
Front Brake | Shimano BR-MT200, hydraulic disc, 180mm |
Rear Brake | Shimano BR-MT200, hydraulic disc, 160mm |
Front Mech | Shimano Altus FD-M2020 2-speed |
Rear Mech | Shimano Alivio, Shadow Design, SGS cage, 9-speed |
Shifters | Shimano Acera, RapidFire Plus, 9-speed |
Speed | 18 |
Rims | Stout Alloy, hookless, pinned, disc only, double-wall, 25mm inner width, 28h |
Front Hub | Shimano HB-TX505, Center Lock™ disc, 9x100mm spacing, quick-release, 28h |
Rear Hub | Shimano FH-TX505, Center Lock™ disc, 9x135mm spacing, quick-release, 32h |
Spokes | Stainless, 14g |
Front Tyre | Ground Control Sport, 29x2.3" |
Rear Tyre | Ground Control Sport, 29x2.3" |
Seat Post | Alloy, 12mm offset, 2-bolt clamp, 30.9mm |
Saddle | Bridge Sport, steel rails |
Chainset | Stout 2x, forged alloy 22/36T |
Bottom Bracket | Square-tapered, 73mm, internal bearings, 122.5mm spindle |
Chain | KMC X9EPT, 9-speed, anti-corrosion coating w/ reusable Missing Link™ |
Cassette | SunRace, 9-Speed, 11-36t |
Pedals | Specialized Dirt |
Specialized Rockhopper 2021 Sizing
Size | Height cm | Height inch |
XS | 148 - 155 | 4'10 - 5'1 |
S | 158 - 165 | 5'2 - 5'6 |
M | 165 - 178 | 5'6 - 5'10 |
L | 178 - 185 | 5'10 - 6'1 |
XL | 185 - 193 | 6'1 - 6'4 |
XXL | 191 - 200 | 6'3 - 6'6 |
Specialized Rockhopper 27.5" Geometry
XS | S | M | |
Crank Length | 165mm | 170mm | 170mm |
Handlebar Width | 700mm | 720mm | 740mm |
Stem Length | 35mm | 45mm | 60mm |
Saddle Width | 155mm | 155mm | 143mm |
Seatpost Length | 300mm | 350mm | 400mm |
Stack | 559mm | 573mm | 589mm |
Reach | 375mm | 395mm | 415mm |
Head-Tube Length | 95mm | 100mm | 105mm |
Head-Tube Angle | 68° | 68° | 68° |
B-B Height | 310mm | 310mm | 310mm |
B-B Drop | 43mm | 43mm | 43mm |
Trail | 97mm | 97mm | 97mm |
Fork Length (full) | 475mm | 485mm | 495mm |
Fork Rake/Offset | 42mm | 42mm | 42mm |
Front-Center | 630mm | 656mm | 682mm |
Chain-Stay Length | 440mm | 440mm | 440mm |
Wheelbase | 1067mm | 1092mm | 1118mm |
Top-Tube Length (horizontal) | 541mm | 565mm | 589mm |
Bike Stand-Over Height | 658mm | 695mm | 735mm |
Seat-Tube Length | 310mm | 350mm | 400mm |
Seat-Tube Angle | 73.5° | 73.5° | 73.5° |
Specialized Rockhopper 29" Geometry
S | M | L | XL | XXL | |
Crank Length | 170mm | 170mm | 175mm | 175mm | 175mm |
Handlebar Width | 720mm | 740mm | 740mm | 740mm | 740mm |
Stem Length | 45mm | 60mm | 60mm | 70mm | 70mm |
Saddle Width | 155mm | 143mm | 143mm | 143mm | 143mm |
Seatpost Length | 350mm | 400mm | 400mm | 400mm | 400mm |
Stack | 607mm | 616mm | 626mm | 640mm | 654mm |
Reach | 405mm | 425mm | 445mm | 465mm | 485mm |
Head-Tube Length | 95mm | 95mm | 105mm | 120mm | 135mm |
Head-Tube Angle | 68.5° | 68.5° | 68.5° | 68.5° | 68.5° |
B-B Height | 310mm | 310mm | 310mm | 310mm | 310mm |
B-B Drop | 62mm | 62mm | 62mm | 62mm | 62mm |
Trail | 97mm | 97mm | 97mm | 97mm | 97mm |
Fork Length (full) | 505mm | 515mm | 515mm | 515mm | 515mm |
Fork Rake/Offset | 46mm | 46mm | 46mm | 46mm | 46mm |
Front-Center | 672mm | 696mm | 719mm | 745mm | 770mm |
Chain-Stay Length | 440mm | 440mm | 440mm | 440mm | 440mm |
Wheelbase | 1105mm | 1128mm | 1152mm | 1178mm | 1203mm |
Top-Tube Length (horizontal) | 586mm | 608mm | 630mm | 654mm | 679mm |
Bike Stand-Over Height | 732mm | 754mm | 781mm | 820mm | 853mm |
Seat-Tube Length | 360mm | 400mm | 450mm | 500mm | 560mm |
Seat-Tube Angle | 73.5° | 73.5° | 73.5° | 73.5° | 73.5° |
What size frame do I need if I am between sizes? - read here
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