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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。
  • 黄金之心,用我们轻盈耐用的高品质A1铝合金打造,Rockhopper拥有不等壁厚管材,从而保持轻盈的重量和高强度,同时带来更低的跨高,优雅的内走线和对升降座管的支持。 我们的目标是让Rockhopper为所有人都带来更好的适应性和性能,不管他们的身材如何。我们为不同尺码的Rockhopper搭配了不同的轮径。这让Rockhopper能适应多种体型的骑士,并且让它在相应轮径和车架尺寸当中做到骑行更平顺,操控性更好。
  • Rockhopper拥有Rx Tune,SR Suntour XCE前叉根据不同尺码匹配不同行程和弹簧磅数,带来令人满意的性能。同时确保几何、操控、避震性能在不同车架和轮径大小上的一致性。
  • Radius CX-7 碟刹几乎在任何林道环境下都能带来复有信心并且持久一致的制动力。
  • 耐用的Formula塔基和SunRace 8速飞轮让您平顺骑行,同时不会给您带来麻烦。

Technical Specifications

Front Tire Ground Control Sport, 27.5x2.3"
Rims Specialized alloy, disc only, double-wall, 25mm inner width, 32h
Inner Tubes Schrader, 40mm valve
Rear Hub Formula SP-2125, 6-Bolt freehub, disc, 135x9mm spacing, quick-release
Rear Tire Ground Control Sport, 27.5x2.3"
Front Hub Formula 6-Bolt, disc, 100x9mm spacing, quick-release, 32H
Spokes Stainless, 14g
Front Brake Radius CX7, mechanical disc, 160mm
Rear Brake Radius CX7, mechanical disc, 160mm
Front Derailleur Shimano Altus FD-M315
Cassette SunRace, 8-speed, 11-34t
Crankset Stout 2x, forged alloy
Shift Levers microSHIFT, TS39-8R, 2x8-speed
Chain KMC X8 EPT, anti-rust coating, 8-speed w/ reusable Missing Link™
Bottom Bracket Square-tapered, 73mm, internal bearings, 122.5mm spindle
Rear Derailleur Shimano Tourney RD-TX800, 8-speed
Fork SR Suntour XCE 27.5, 28mm stanchions, Rx Tune, coil spring, QR, 80/90/100mm travel (size-specific), 42mm offset
Pedals
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
Seat Binder Alloy, quick release, 34.9
Grips Specialized Trail Grips, lock-on
SeatPost Alloy, 2-bolt clamp, 30.9mm
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

Technical Specifications

Front Tire Ground Control Sport, 27.5x2.3"
Rims Specialized alloy, disc only, double-wall, 25mm inner width, 32h
Inner Tubes Schrader, 40mm valve
Rear Hub Formula SP-2125, 6-Bolt freehub, disc, 135x9mm spacing, quick-release
Rear Tire Ground Control Sport, 27.5x2.3"
Front Hub Formula 6-Bolt, disc, 100x9mm spacing, quick-release, 32H
Spokes Stainless, 14g
Front Brake Radius CX7, mechanical disc, 160mm
Rear Brake Radius CX7, mechanical disc, 160mm
Front Derailleur Shimano Altus FD-M315
Cassette SunRace, 8-speed, 11-34t
Crankset Stout 2x, forged alloy
Shift Levers microSHIFT, TS39-8R, 2x8-speed
Chain KMC X8 EPT, anti-rust coating, 8-speed w/ reusable Missing Link™
Bottom Bracket Square-tapered, 73mm, internal bearings, 122.5mm spindle
Rear Derailleur Shimano Tourney RD-TX800, 8-speed
Fork SR Suntour XCE 27.5, 28mm stanchions, Rx Tune, coil spring, QR, 80/90/100mm travel (size-specific), 42mm offset
Pedals
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
Seat Binder Alloy, quick release, 34.9
Grips Specialized Trail Grips, lock-on
SeatPost Alloy, 2-bolt clamp, 30.9mm
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

Geometry

Geometry Chart

Geometry

XS S M
  XS S M
Crank Length 165mm 170mm 170mm
Stem Length 35mm 45mm 60mm
Handlebar Width 700mm 720mm 740mm
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 68deg 68deg 68deg
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 73.5deg 73.5deg 73.5deg

Geometry

Geometry Chart

Geometry

XS S M
  XS S M
Crank Length 165mm 170mm 170mm
Stem Length 35mm 45mm 60mm
Handlebar Width 700mm 720mm 740mm
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 68deg 68deg 68deg
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 73.5deg 73.5deg 73.5deg