Bicycle Archive · Specification reportBicycle Archive · Specification report2021 Specialized Rockhopper Comp · 2024 Specialized Rockhopper Comp
| Specification | 2021 Specialized Rockhopper Comp | 2024 Specialized Rockhopper Comp |
|---|---|---|
| Overview | ||
| Model year | 2021 | 2024 |
| Brand | Specialized | Specialized |
| Model | Rockhopper Comp | Rockhopper Comp |
| Bicycle type | Mountain | Mountain |
| Archive ID | 900004338 | 900003981 |
| Original MSRP | $1,000.00 | $899.99 |
| Colors | Gloss Clay / Satin Cast Blue Metallic; Satin Smoke / Satin Black; Gloss Metallic White Silver / Satin Black; Gloss Oasis / Tarmac Black | Gloss Metallic Spruce / Smoke; Satin Metallic Oak Green & Smoke; Gloss Purple Haze / Astral Blue |
| Sizes | S; M; L; XL; XXL | XS; S; M; L; XL; XXL |
| Weight | — | 12.58 kg (27 lb, 11.7 oz) |
| Frameset | ||
| Frame construction | Specialized 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 | Specialized 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 |
| Frame material | Aluminum | Aluminum |
| Fork | SR Suntour XCM 29, 30mm Stanchions, Rx Tune, coil spring, custom Multi-Circuit damping w/lockout, QR, 90/100mm travel (size-specific), 46mm offset | RockShox Judy, Solo Air, Turnkey damper, 46mm offset, QR, 80/90/100mm travel (size-specific), steel steerer |
| Fork material | — | Steel |
| Drivetrain | ||
| Shifters | microSHIFT Advent, 9-speed | Shimano Deore, RapidFire Plus, 10-speed |
| Rear derailleur | microSHIFT Advent, 1x9 w/ clutch | Shimano Deore, RD-M5120, 10-speed |
| Crankset | Stout 1x, forged alloy | Stout 1x, forged alloy |
| Bottom bracket | Square-tapered, 73mm, internal bearings, 122.5mm spindle | Square-tapered, 73mm, internal bearings, 122.5mm spindle |
| BB shell width | 73 mm | 73 mm |
| Cassette | microSHIFT Advent, 9-speed, 11-42t | Sunrace, 11-46t, 10spd |
| Chain | KMC X9EPT, 9-speed, anti-corrosion coating w/ reusable Missing Link™ | KMC, X10, EPT anti-corrosion coating, 10-speed w/ Missing Link™ |
| Pedals | Specialized Body Geometry Fitness, platform, plastic | — |
| Brakes | ||
| Brakes | (F) Shimano BR-MT200, hydraulic disc, 180mm / (R) Shimano BR-MT200, hydraulic disc, 180mm | (F) Shimano BR-MT200, hydraulic disc ,180/160mm / (R) Shimano BR-MT200, hydraulic disc, 160 mm |
| Cockpit & contact points | ||
| Handlebar | Specialized, alloy, 9-degree backsweep, 15mm rise, 31.8mm | Specialized, alloy, 9-degree backsweep, 15mm rise, 31.8mm |
| Stem | Stout 3D-forged alloy, 31.8mm, 6-degree rise | Stout 3D-forged alloy, 31.8mm, 6-degree rise |
| Saddle | Bridge Sport, steel rails | Bridge Sport, Steel rails, 155/143mm |
| Seatpost | Alloy, 2-bolt clamp, 30.9mm | Alloy, 2-bolt clamp, 30.9mm |
| Wheels & tires | ||
| Hubs | (F) Shimano HB-TX505, Center Lock™ disc, 9x100mm spacing, quick-release, 28h / (R) Shimano FH-TX505, Center Lock™ disc, 9x135mm spacing, quick-release, 32h | (F) Formula DC-20, 6-Bolt, disc, 100x9mm spacing, quick-release / (R) Formula DC-22, 6-Bolt freehub, disc, 135x9mm spacing, quick-release |
| Rims | Stout Alloy, hookless, double-wall, 25mm inner width | Specialized Alloy, hookless, Tubeless ready, 25mm inner width |
| Spokes | Stainless, 14g | Stainless, 14g |
| Front tire | Fast Trak Sport 29x2.35" | Fast Trak Sport, 650b/29x2.35" |
| Rear tire | Fast Trak Sport 29x2.35" | Fast Trak Sport, 650b/29x2.35" |
| Wheel size | — | 27.5; 29 |
One selected size or frame position per bicycle, matching the comparison dropdown choices used when Print / PDF was opened.
| Measurement | 2021 Specialized Rockhopper Comp | 2024 Specialized Rockhopper Comp |
|---|---|---|
| Selected size / position | M | S · 29 |
| Reach | 425 mm | 415 mm |
| Stack | 616 mm | 589 mm |
| Effective top tube | 608 mm | 589 mm |
| Head-tube angle | 68.5° | 68° |
| Seat-tube angle | 73.5° | 73.5° |
| Seat tube | 400 mm | 400 mm |
| Head tube | 95 mm | 105 mm |
| Chainstay / rear center | 440 mm | 440 mm |
| Wheelbase | 1128 mm | 1118 mm |
| Bottom-bracket drop | 62 mm | 43 mm |
| Bottom-bracket height | 310 mm | 310 mm |
| Standover height | 754 mm | 735 mm |
| Fork offset / rake | 46 mm | 42 mm |
| Front center | 696 mm | 682 mm |
| Trail | 97 mm | 97 mm |
| Wheel size | — | 27.5in |
Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on November 5, 2026.