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Rockhopper
2021 Rockhopper
Better performance. Better value. Better Rockhopper. By tapping the fit and handling advantages of pairing each rider with their ideal wheel size and suspension that works its hardest for everyone thanks to our size-specific Rx Tune, we’ve baked in added performance to the all-new Rockhopper without dialing up the price.
Shimano and MicroSHIFT team up for drivetrain duties with a robust 2x8 drivetrain that can handle everything you’re throw down while confident braking from Radius CX7 mechanical disc brakes seals the deal of the century.
Technical Specifications
Suspension
Fork
SR Suntour XCE 29, 28mm stanchions, Rx Tune, coil spring, QR, 90/100mm travel (size-specific), 46mm offset
WHEELS
Front Hub
Formula 6-Bolt, disc, 100x9mm spacing, quick-release, 32H
Rear Tire
Ground Control Sport, 29x2.3"
Inner Tubes
Schrader, 40mm valve
Rims
Specialized alloy, disc only, double-wall, 25mm inner width, 32h
Spokes
Stainless, 14g
Front Tire
Ground Control Sport, 29x2.3"
Rear Hub
Formula SP-2125, 6-Bolt freehub, disc, 135x9mm spacing, quick-release
BRAKES
Front Brake
Radius CX7, mechanical disc, 160mm
Rear Brake
Radius CX7, mechanical disc, 160mm
FRAMESET
Seat Binder
Alloy, quick release, 34.9
Frame
Specialized 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
COCKPIT
SeatPost
Alloy, 2-bolt clamp, 30.9mm
Grips
Specialized Trail Grips, lock-on
Handlebars
Specialized, alloy, 9-degree backsweep, 15mm rise, 31.8mm
Saddle
Bridge Sport, Steel rails, 155/143mm
Stem
Stout 3D-forged alloy, 31.8mm, 6-degree rise
DRIVETRAIN
Crankset
Stout 2x, forged alloy
Rear Derailleur
Shimano Tourney RD-TX800, 8-speed
Shift Levers
microSHIFT, TS39-8R, 2x8-speed
Front Derailleur
Shimano Altus FD-M315
Chain
KMC X8 EPT, anti-rust coating, 8-speed w/ reusable Missing Link™
Bottom Bracket
Square-tapered, 73mm, internal bearings, 122.5mm spindle
Cassette
SunRace, 8-speed, 11-34t
ACCESSORIES
Pedals
Specialized Body Geometry Fitness, platform, plastic
* Weights based on production painted frames as pictured. Actual weights will vary based on colorway, frame size, and component variation. Specifications are subject to change without notice.
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° |
Rider Reviews
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