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Rockhopper 27.5

Rockhopper 27.5

Part No. 91120-7401

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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.
  • 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 SR Suntour XCE 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 size.
  • Radius CX-7 disc brakes offer confident, consistent braking in any trail condition.
  • A durable Formula freehub and SunRace 8-speed cassette keep you rolling smoothly without putting up a fuss.

更好的性能,更高的性价比,更棒的Rockhopper。通过将不同的骑士通过Rx Tune与更适合他们的轮径和避震结合起来,带来适应性和操控的优势,我们将更高的性能融入了全新Rockhopper,并且无需抬高售价。

Shimano和MicroSHIFT搭档处理传动事宜,耐用的2X8传动系统可以应对您的全力踩踏,而Radius CX7机械碟刹富有信心的制动力让它成为真正的价值之选。

Technical 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 XCE 27.5, 28mm stanchions, Rx Tune, coil spring, QR, 80/90/100mm travel (size-specific), 42mm offset
Stem Stout 3D-forged alloy, 31.8mm, 6-degree rise
Handlebars Stout Mini Rise, alloy, 9-degree backsweep, 15mm rise, 31.8mm
Grips Specialized Trail Grips, lock-on
Saddle Bridge Sport, Steel rails, 155/143mm
SeatPost Alloy, 12mm offset, 2-bolt clamp, 30.9mm
Front Brake Radius CX7, mechanical disc, 160mm
Rear Brake Radius CX7, mechanical disc, 160mm
Front Derailleur Shimano Altus FD-M315
Rear Derailleur Shimano Tourney RD-TX800, 8-speed
Shift Levers microSHIFT, TS39-8R, 8-speed
Cassette SunRace, 8-speed, 11-34t
Chain KMC X8 EPT, anti-rust coating, 8-speed w/ reusable Missing Link™
Crankset Stout 2x, forged alloy
Chainrings 22/36T
Bottom Bracket Square-tapered, 73mm, internal bearings, 122.5mm spindle
Rims Specialized alloy, disc only, double-wall, 25mm inner width, 32h
Front Hub Formula 6-Bolt, disc, 100x9mm spacing, quick-release, 32H
Rear Hub Formula 6-Bolt freehub, disc, 135x9mm spacing, quick-release, 32H
Spokes Stainless, 14g
Front Tire Ground Control Sport, 27.5x2.3\"
Rear Tire Ground Control Sport, 27.5x2.3\"

Technical 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 XCE 27.5, 28mm stanchions, Rx Tune, coil spring, QR, 80/90/100mm travel (size-specific), 42mm offset
Stem Stout 3D-forged alloy, 31.8mm, 6-degree rise
Handlebars Stout Mini Rise, alloy, 9-degree backsweep, 15mm rise, 31.8mm
Grips Specialized Trail Grips, lock-on
Saddle Bridge Sport, Steel rails, 155/143mm
SeatPost Alloy, 12mm offset, 2-bolt clamp, 30.9mm
Front Brake Radius CX7, mechanical disc, 160mm
Rear Brake Radius CX7, mechanical disc, 160mm
Front Derailleur Shimano Altus FD-M315
Rear Derailleur Shimano Tourney RD-TX800, 8-speed
Shift Levers microSHIFT, TS39-8R, 8-speed
Cassette SunRace, 8-speed, 11-34t
Chain KMC X8 EPT, anti-rust coating, 8-speed w/ reusable Missing Link™
Crankset Stout 2x, forged alloy
Chainrings 22/36T
Bottom Bracket Square-tapered, 73mm, internal bearings, 122.5mm spindle
Rims Specialized alloy, disc only, double-wall, 25mm inner width, 32h
Front Hub Formula 6-Bolt, disc, 100x9mm spacing, quick-release, 32H
Rear Hub Formula 6-Bolt freehub, disc, 135x9mm spacing, quick-release, 32H
Spokes Stainless, 14g
Front Tire Ground Control Sport, 27.5x2.3\"
Rear Tire Ground Control Sport, 27.5x2.3\"

Geometry

Geometry Chart

Geometry

XS S M
  XS S M
Stack 559mm 573mm 589mm
Reach 375mm 395mm 415mm
HeadTubeLength 95mm 100mm 105mm
HeadTubeAngle 68deg 68deg 68deg
B-BHeight 310mm 310mm 310mm
B-BDrop 43mm 43mm 43mm
Trail 97mm 97mm 97mm
ForkLength(full) 475mm 485mm 495mm
ForkRake/Offset 42mm 42mm 42mm
Front-Center 630mm 656mm 682mm
ChainstayLength 440mm 440mm 440mm
Wheelbase 1067mm 1092mm 1118mm
TopTubeLength(Horizontal) 541mm 565mm 589mm
BikeStandoverHeight 658mm 695mm 735mm
SeatTubeLength 310mm 350mm 400mm
SeatTubeAngle 73.5deg 73.5deg 73.5deg

Geometry

Geometry Chart

Geometry

XS S M
  XS S M
Stack 559mm 573mm 589mm
Reach 375mm 395mm 415mm
HeadTubeLength 95mm 100mm 105mm
HeadTubeAngle 68deg 68deg 68deg
B-BHeight 310mm 310mm 310mm
B-BDrop 43mm 43mm 43mm
Trail 97mm 97mm 97mm
ForkLength(full) 475mm 485mm 495mm
ForkRake/Offset 42mm 42mm 42mm
Front-Center 630mm 656mm 682mm
ChainstayLength 440mm 440mm 440mm
Wheelbase 1067mm 1092mm 1118mm
TopTubeLength(Horizontal) 541mm 565mm 589mm
BikeStandoverHeight 658mm 695mm 735mm
SeatTubeLength 310mm 350mm 400mm
SeatTubeAngle 73.5deg 73.5deg 73.5deg