Bicycle Archive · Specification report2025 Specialized Rockhopper · 2012 Specialized Rockhopper
| Specification | 2025 Specialized Rockhopper | 2012 Specialized Rockhopper |
|---|---|---|
| Overview | ||
| Model year | 2025 | 2012 |
| Brand | Specialized | Specialized |
| Model | Rockhopper | Rockhopper |
| Bicycle type | Mountain | Mountain |
| Archive ID | 900004416 | 9227967 |
| Original MSRP | From $649.99 | $880.00 |
| Colors | Gloss Sage Green / Olive Green; Satin Cast Lilac / Sea Foam; Satin Slate / Cool Grey | Black/Orange/White, Black/White/White |
| Sizes | XS; S; M; L; XL; XXL; XXS | 13, 15.5, 17.5, 19, 21 |
| Weight | 13.87kg (30 lb, 9.2 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 | — |
| Frame material | Aluminum | Specialized M4 |
| Fork | SR Suntour XCM 27.5/29, 30mm stanchions, Rx Tune, coil spring, QR, 80/90/100mm travel (size-specific), 42mm offset | SR Suntour XCR |
| Drivetrain | ||
| Shifters | Shimano Altus, RapidFire Plus, 9-speed | Shimano Acera, 9spd Rapidfire |
| Front derailleur | Shimano Altus FD-M2020 2-speed | Shimano Acera |
| Rear derailleur | Shimano Rear Derailleur, RD-M2000, Altus, 9-speed, Shadow Design | Shimano Alivio 9spd |
| Crankset | Stout 2x, forged alloy | SR Suntour |
| Bottom bracket | Square-tapered, 73mm, internal bearings, 122.5mm spindle | Shimano Octalink 73 |
| BB shell width | 73 mm | — |
| Cassette | SunRace, 9-Speed, 11-36t | Shimano 9spd 11-34 |
| Chain | KMC X9EPT, 9-speed, anti-corrosion coating w/ reusable Missing Link™ | KMC X-9 |
| Pedals | Specialized Flat Pedal | Compostie |
| Brakes | ||
| Brakes | (F) Shimano BR-MT200, hydraulic disc, 180mm / (R) Shimano BR-MT200, hydraulic disc, 180mm | Tektro Draco hydraulic |
| Cockpit & contact points | ||
| Headset | — | Integrated 1-1/8" threadless |
| Handlebar | Alloy Mini Rise, 9-degree backsweep, 15mm rise, 31.8mm | XC Riser Bar, double-butted |
| Stem | Stout 3D-forged alloy, 31.8mm, 6-degree rise | Forged 6061, 31.8 |
| Saddle | Bridge Sport, Steel rails, 155/143mm | Body Geometry Rockhopper 143mm |
| Seatpost | Alloy, 2-bolt clamp, 30.9mm | Alloy 30.9 |
| Wheels & tires | ||
| Hubs | (F) Formula 6-Bolt, disc, 100x9mm spacing, quick-release, 32H / (R) Formula SP-2125, 6-Bolt freehub, disc, 135x9mm spacing, quick-release | — |
| Rims | Specialized alloy, disc only, double-wall, 25mm inner width, 32h | Alex RH Disc 26" |
| Spokes | Stainless, 14g | — |
| Front tire | Fast Trak Sport | The Captain Sport 26 X 2" |
| Rear tire | Fast Trak Sport | — |
| Wheel size | 26; 27.5; 29 | — |
One selected size or frame position per bicycle, matching the comparison dropdown choices used when Print / PDF was opened.
| Measurement | 2025 Specialized Rockhopper | 2012 Specialized Rockhopper |
|---|---|---|
| Selected size / position | M · 27.5 | — |
| Reach | 425 mm | — |
| Stack | 616 mm | — |
| Effective top tube | 608 mm | — |
| Head-tube angle | 68.5° | — |
| Seat-tube angle | 73.5° | — |
| Seat tube | 400 mm | — |
| Head tube | 95 mm | — |
| Chainstay / rear center | 440 mm | — |
| Wheelbase | 1128 mm | — |
| Bottom-bracket drop | 62 mm | — |
| Bottom-bracket height | 310 mm | — |
| Standover height | 754 mm | — |
| Fork offset / rake | 46 mm | — |
| Front center | 696 mm | — |
| Trail | 97 mm | — |
| Wheel size | 29in | — |
Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on November 7, 2026.