Bicycle Archive · Specification reportBicycle Archive · Specification reportVelopedia Archive ID 900003808
| Model year | 2017 |
|---|---|
| Brand | Specialized |
| Model | Rockhopper 29 |
| Bicycle type | Mountain |
| Archive ID | 900003808 |
| Colors | Gloss Candy Red / Hyper; Satin Warm Charcoal / Nordic Red / Teal |
| Sizes | S; M; L; XL; XXL |
| Frame construction | Specialized A1 Premium Aluminum, Trail 29 Geometry ORE down tube, butted tube sets, externally relieved head tube, forged dropouts, reinforced disc mount, replaceable alloy derailleur hanger |
|---|---|
| Frame material | Aluminum |
| Fork | SR Suntour XCT, coil spring, hydraulic lock-out w/Multi-Circuit Damping, 80/100mm of travel (size specific) |
| Shifters | Shimano EF510, EZ Fire Plus, 8-speed |
|---|---|
| Front derailleur | Shimano Altus, 34.9mm clamp, down-swing, 7/8-speed |
| Rear derailleur | Shimano Acera, SGS cage, 7/8-speed |
| Crankset | Forged alloy, square taper spindle w/chainguard; chainrings: 44/32/22T |
| Bottom bracket | Square taper, 73mm, internal bearings |
| BB shell width | 73 mm |
| Cassette | Sunrace, 8-speed, 11-34t |
| Chain | KMC X8, 8-speed w/reusable MissingLink |
| Pedals | Specialized Dirt |
| Brakes | (F) Shimano BR-M375, mechanical disc, resin pads, 180/160mm rotor / (R) Shimano BR-M375, mechanical disc, resin pads, 160mm rotor |
|---|
| Handlebar | Stout, alloy, 8-degree backsweep, 6-degree upsweep, 10mm rise, 720mm width, 31.8mm |
|---|---|
| Stem | Stout, 3D-forged alloy, 31.8mm clamp, 6-degree rise |
| Saddle | Body Geometry Henge Sport, steel rails, 143mm |
| Seatpost | Alloy, 12mm offset, 2-bolt clamp, 30.9mm |
| Hubs | (F) Shimano Center Lock, disc, 9x100mm QR, 32h / (R) Shimano Center Lock, disc, 10x135mm QR, 32h |
|---|---|
| Rims | Stout 29, alloy disc, double-wall, pinned joint, 20mm inner width, 32h |
| Spokes | Stainless, 14g |
| Front tire | Ground Control Sport, 29x2.1"", 60TPI, wire bead, Flak Jacket protection |
| Rear tire | Ground Control Sport, 29x2.1"", 60TPI, wire bead, Flak Jacket protection |
| Seat tube | 394 mm |
|---|---|
| Effective top tube | 559 mm |
| Head tube | 105 mm |
| Head-tube angle | 70.5° |
| Seat-tube angle | 74.25° |
| Chainstay / rear center | 450 mm |
| Wheelbase | 1073 mm |
| Bottom-bracket drop | 69 mm |
| Bottom-bracket height | 305 mm |
| Reach | 383 mm |
| Stack | 623 mm |
| Fork offset / rake | 46 mm |
| Front center | 632 mm |
| Trail | 83 mm |
| Fork length / axle-to-crown | 495 mm |
| Seatpost length | 350 mm |
| Crank length | 170 mm |
| Stem length | 60 mm |
| Handlebar width | 720 mm |
| Seat tube | 444 mm |
|---|---|
| Effective top tube | 582 mm |
| Head tube | 95 mm |
| Head-tube angle | 71° |
| Seat-tube angle | 73° |
| Chainstay / rear center | 450 mm |
| Wheelbase | 1076 mm |
| Bottom-bracket drop | 69 mm |
| Bottom-bracket height | 305 mm |
| Reach | 388 mm |
| Stack | 634 mm |
| Fork offset / rake | 46 mm |
| Front center | 635 mm |
| Trail | 80 mm |
| Fork length / axle-to-crown | 515 mm |
| Seatpost length | 350 mm |
| Crank length | 175 mm |
| Stem length | 70 mm |
| Handlebar width | 720 mm |
| Seat tube | 483 mm |
|---|---|
| Effective top tube | 602 mm |
| Head tube | 110 mm |
| Head-tube angle | 71° |
| Seat-tube angle | 73° |
| Chainstay / rear center | 450 mm |
| Wheelbase | 1097 mm |
| Bottom-bracket drop | 69 mm |
| Bottom-bracket height | 305 mm |
| Reach | 404 mm |
| Stack | 648 mm |
| Fork offset / rake | 46 mm |
| Front center | 656 mm |
| Trail | 80 mm |
| Fork length / axle-to-crown | 515 mm |
| Seatpost length | 400 mm |
| Crank length | 175 mm |
| Stem length | 70 mm |
| Handlebar width | 720 mm |
| Seat tube | 530 mm |
|---|---|
| Effective top tube | 628 mm |
| Head tube | 120 mm |
| Head-tube angle | 71° |
| Seat-tube angle | 73° |
| Chainstay / rear center | 450 mm |
| Wheelbase | 1123 mm |
| Bottom-bracket drop | 69 mm |
| Bottom-bracket height | 305 mm |
| Reach | 427 mm |
| Stack | 658 mm |
| Fork offset / rake | 46 mm |
| Front center | 682 mm |
| Trail | 80 mm |
| Fork length / axle-to-crown | 515 mm |
| Seatpost length | 400 mm |
| Crank length | 175 mm |
| Stem length | 80 mm |
| Handlebar width | 720 mm |
| Seat tube | 560 mm |
|---|---|
| Effective top tube | 648 mm |
| Head tube | 140 mm |
| Head-tube angle | 71° |
| Seat-tube angle | 73° |
| Chainstay / rear center | 450 mm |
| Wheelbase | 1144 mm |
| Bottom-bracket drop | 69 mm |
| Bottom-bracket height | 305 mm |
| Reach | 441 mm |
| Stack | 677 mm |
| Fork offset / rake | 46 mm |
| Front center | 702 mm |
| Trail | 80 mm |
| Fork length / axle-to-crown | 515 mm |
| Seatpost length | 400 mm |
| Crank length | 175 mm |
| Stem length | 90 mm |
| Handlebar width | 720 mm |
Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 26, 2026.