Bicycle Archive · Specification reportBicycle Archive · Specification reportVelopedia Archive ID 900003833
| Model year | 2020 |
|---|---|
| Brand | Specialized |
| Model | Rockhopper |
| Bicycle type | Mountain |
| Archive ID | 900003833 |
| Original MSRP | $550.00 |
| Colors | Dusty Lilac/Black; White/Black; Satin Black/Spruce; Flo Red/Tarmac Black |
| Sizes | XS; S; M; L; XL; XXL |
| 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 30, Rx Tune, coil spring, 80/90/100mm travel (size-specific), 46mm offset |
| Shifters | Shimano EF505, hydraulic, 2x8-speed |
|---|---|
| Front derailleur | Shimano Altus FD-M315 2-Speed |
| Rear derailleur | Shimano Tourney RD-TX800, 8-speed |
| Crankset | Stout 2x, forged alloy |
| Bottom bracket | Square-tapered, 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 Body Geometry Fitness, platform, plastic |
| Brakes | (F) Shimano BR-MT200, hydraulic disc / (R) Shimano BR-MT200, hydraulic disc |
|---|
| Handlebar | Specialized Alloy XC minirise, double-butted alloy, 8-degree backsweep, 6-degree upsweep, 10mm rise, 31.8mm |
|---|---|
| Stem | Stout 3D-forged alloy, 31.8mm, 6-degree rise |
| Saddle | Specialized Bridge, size specific, 143/155mm |
| Seatpost | Alloy, 12mm offset, 2-bolt clamp, 30.9mm |
| Hubs | (F) Shimano, Center Lock™ disc, 9x100mm spacing, quick-release, 32h / (R) Shimano FH-TX505, Center Lock™ disc, 9x135mm spacing, quick-release, 32h |
|---|---|
| Rims | Alloy, disc only, double-wall, 25mm inner width |
| Spokes | Stainless, 14g |
| Front tire | Ground Control Sport, 29x2.3" |
| Rear tire | Fast Trak Sport, 29x2.3" |
| Seat tube | 370 mm |
|---|---|
| Effective top tube | 548 mm |
| Head tube | 95 mm |
| Head-tube angle | 69.8° |
| Seat-tube angle | 74° |
| Chainstay / rear center | 440 mm |
| Wheelbase | 1065 mm |
| Bottom-bracket drop | 57.5 mm |
| Bottom-bracket height | 312.5 mm |
| Reach | 380 mm |
| Stack | 586 mm |
| Standover height | 719 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 | 45 mm |
| Handlebar width | 720 mm |
| Seat tube | 400 mm |
|---|---|
| Effective top tube | 567 mm |
| Head tube | 95 mm |
| Head-tube angle | 69.8° |
| Seat-tube angle | 73.9° |
| Chainstay / rear center | 440 mm |
| Wheelbase | 1084 mm |
| Bottom-bracket drop | 57.5 mm |
| Bottom-bracket height | 312.5 mm |
| Reach | 395 mm |
| Stack | 595 mm |
| Standover height | 765 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 | 45 mm |
| Handlebar width | 720 mm |
| Seat tube | 430 mm |
|---|---|
| Effective top tube | 594 mm |
| Head tube | 95 mm |
| Head-tube angle | 69.8° |
| Seat-tube angle | 73.8° |
| Chainstay / rear center | 440 mm |
| Wheelbase | 1110 mm |
| Bottom-bracket drop | 57.5 mm |
| Bottom-bracket height | 312.5 mm |
| Reach | 418 mm |
| Stack | 605 mm |
| Standover height | 776 mm |
| Fork offset / rake | 51 mm |
| Front center | 676 mm |
| Trail | 82 mm |
| Fork length / axle-to-crown | 506 mm |
| Seatpost length | 350 mm |
| Crank length | 170 mm |
| Stem length | 60 mm |
| Handlebar width | 750 mm |
| Seat tube | 470 mm |
|---|---|
| Effective top tube | 622 mm |
| Head tube | 110 mm |
| Head-tube angle | 69.8° |
| Seat-tube angle | 73.7° |
| Chainstay / rear center | 440 mm |
| Wheelbase | 1138 mm |
| Bottom-bracket drop | 57.5 mm |
| Bottom-bracket height | 312.5 mm |
| Reach | 441 mm |
| Stack | 619 mm |
| Standover height | 807 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 | 60 mm |
| Handlebar width | 750 mm |
| Seat tube | 520 mm |
|---|---|
| Effective top tube | 648 mm |
| Head tube | 125 mm |
| Head-tube angle | 69.8° |
| Seat-tube angle | 73.6° |
| Chainstay / rear center | 440 mm |
| Wheelbase | 1164 mm |
| Bottom-bracket drop | 57.5 mm |
| Bottom-bracket height | 312.5 mm |
| Reach | 462 mm |
| Stack | 633 mm |
| Standover height | 837 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 | 70 mm |
| Handlebar width | 750 mm |
| Seat tube | 560 mm |
|---|---|
| Effective top tube | 660 mm |
| Head tube | 125 mm |
| Head-tube angle | 69.8° |
| Seat-tube angle | 73.6° |
| Chainstay / rear center | 440 mm |
| Wheelbase | 1176 mm |
| Bottom-bracket drop | 57.5 mm |
| Bottom-bracket height | 312.5 mm |
| Reach | 474 mm |
| Stack | 633 mm |
| Standover height | 861 mm |
| Fork offset / rake | 51 mm |
| Front center | 742 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 | 750 mm |
Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 26, 2026.