Bicycle Archive · Specification reportBicycle Archive · Specification reportVelopedia Archive ID 900003296
| Model year | 2018 |
|---|---|
| Brand | Specialized |
| Model | Rockhopper Sport |
| Bicycle type | Mountain |
| Archive ID | 900003296 |
| Original MSRP | $710.00 |
| Colors | Gloss Hyper/Black Clean; Gloss Tarmac Black/Flo Red/White |
| Sizes | S; M; L; XL |
| Frame construction | A1 alloy, Sport XC 29 Geometry, zero-stack head tube, internal cable routing, 135x9mm forged dropouts, chainstay-mounted disc brake, replaceable alloy derailleur hanger |
|---|---|
| Frame material | Aluminum |
| Fork | SR Suntour XCT w/ MCD 29, coil spring, custom Multi-Circuit damping, QR, 80/90/100mm travel (size-specific), 46mm offset |
| Shifters | Shimano ST-EF505, Ez-Fire Plus, 3x8 |
|---|---|
| Front derailleur | Shimano Altus FD-M313, 34.9mm clamp, down-swing |
| Rear derailleur | Shimano Acera 8-speed |
| Crankset | Stout 3x8, forged alloy; chainrings: 44/32/22T |
| Bottom bracket | Square taper, 73mm, internal bearings |
| BB shell width | 73 mm |
| Cassette | SunRace, 8-speed, 11-34t |
| Chain | KMC X8EPT, 8-speed, anti-corrosion coating w/ reusable Missing Link™ |
| Pedals | Specialized Dirt |
| Brakes | (F) Shimano BR-M315, hydraulic disc, resin pads, 180/160mm rotor / (R) Shimano BR-M315, hydraulic disc, resin pads, 160mm rotor |
|---|
| Handlebar | Stout double-butted alloy, 10mm rise, 10-degree backsweep, 4-degree upsweep, 720mm width, 31.8mm |
|---|---|
| Stem | Stout 3D-forged alloy, 31.8mm, 6-degree rise |
| Saddle | Henge Sport, steel rails, 143mm |
| Seatpost | Alloy, 12mm offset, 2-bolt clamp, 30.9mm |
| Hubs | (F) Shimano Center Lock, disc, 100x9mm QR, 32h / (R) Shimano Center Lock, disc, 135x9mm QR, 32h |
|---|---|
| Rims | Alloy, disc only, double-wall, 25mm internal width, 32h |
| Spokes | Stainless, 14g |
| Front tire | Ground Control Sport, Flak Jacket flat protection, wire bead, 29x2.1" |
| Rear tire | Fast Trak Sport, Flak Jacket flat protection, wire bead, 29x2.0" |
| Seat tube | 370 mm |
|---|---|
| Effective top tube | 549 mm |
| Head tube | 110 mm |
| Head-tube angle | 69.8° |
| Seat-tube angle | 73.6° |
| Chainstay / rear center | 435 mm |
| Wheelbase | 1060 mm |
| Bottom-bracket drop | 57.5 mm |
| Bottom-bracket height | 312.5 mm |
| Reach | 380 mm |
| Stack | 586 mm |
| Standover height | 715 mm |
| Fork offset / rake | 51 mm |
| Front center | 631 mm |
| Trail | 82 mm |
| Fork length / axle-to-crown | 486 mm |
| Seatpost length | 350 mm |
| Crank length | 165 mm |
| Stem length | 60 mm |
| Handlebar width | 720 mm |
| Seat tube | 400 mm |
|---|---|
| Effective top tube | 568 mm |
| Head tube | 125 mm |
| Head-tube angle | 69.8° |
| Seat-tube angle | 73.7° |
| Chainstay / rear center | 435 mm |
| Wheelbase | 1078 mm |
| Bottom-bracket drop | 57.5 mm |
| Bottom-bracket height | 312.5 mm |
| Reach | 395 mm |
| Stack | 595 mm |
| Standover height | 750 mm |
| Fork offset / rake | 51 mm |
| Front center | 650 mm |
| Trail | 82 mm |
| Fork length / axle-to-crown | 496 mm |
| Seatpost length | 350 mm |
| Crank length | 170 mm |
| Stem length | 70 mm |
| Handlebar width | 720 mm |
| Seat tube | 430 mm |
|---|---|
| Effective top tube | 595 mm |
| Head tube | 95 mm |
| Head-tube angle | 69.8° |
| Seat-tube angle | 73.8° |
| Chainstay / rear center | 435 mm |
| Wheelbase | 1104 mm |
| Bottom-bracket drop | 57.5 mm |
| Bottom-bracket height | 312.5 mm |
| Reach | 418 mm |
| Stack | 605 mm |
| Standover height | 775 mm |
| Fork offset / rake | 51 mm |
| Front center | 676 mm |
| Trail | 82 mm |
| Fork length / axle-to-crown | 506 mm |
| Seatpost length | 400 mm |
| Crank length | 175 mm |
| Stem length | 90 mm |
| Handlebar width | 720 mm |
| Seat tube | 470 mm |
|---|---|
| Effective top tube | 623 mm |
| Head tube | 95 mm |
| Head-tube angle | 69.8° |
| Seat-tube angle | 73.9° |
| Chainstay / rear center | 435 mm |
| Wheelbase | 1133 mm |
| Bottom-bracket drop | 57.5 mm |
| Bottom-bracket height | 312.5 mm |
| Reach | 441 mm |
| Stack | 619 mm |
| Standover height | 814 mm |
| Fork offset / rake | 51 mm |
| Front center | 704 mm |
| Trail | 82 mm |
| Fork length / axle-to-crown | 506 mm |
| Seatpost length | 400 mm |
| Crank length | 175 mm |
| Stem length | 100 mm |
| Handlebar width | 720 mm |
| Seat tube | 520 mm |
|---|---|
| Effective top tube | 649 mm |
| Head tube | 95 mm |
| Head-tube angle | 69.8° |
| Seat-tube angle | 74° |
| Chainstay / rear center | 435 mm |
| Wheelbase | 1159 mm |
| Bottom-bracket drop | 57.5 mm |
| Bottom-bracket height | 312.5 mm |
| Reach | 462 mm |
| Stack | 633 mm |
| Standover height | 845 mm |
| Fork offset / rake | 51 mm |
| Front center | 730 mm |
| Trail | 82 mm |
| Fork length / axle-to-crown | 506 mm |
| Seatpost length | 400 mm |
| Crank length | 175 mm |
| Stem length | 110 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 25, 2026.