Mountain bikes › Specialized › Rockhopper
In our comparison, not currently a pick
Specialized Rockhopper Comp 29 2X 2021
Aluminium · Shimano Altus 9-speed
Buy at BikeExchangeWhere it stands
In stock in XL · price read 07:35 today · unchanged since the last check
Where it stands
Priced close to what German shops charge for this level of equipment, so it does not clear the margin we require before naming a pick.
Our pick · Under €1,000
- Cube Reaction C:62 ONE 2023 at Multicycle€800EUR 51 more expensive, SX Eagle instead of Altus, carbon rather than aluminium frame.
What you get
- Frame
- Aluminium A1 premium butted alloy, zero-stack head tube, internal cable routing, 135x9mm forged dropouts, chainstay-mounted disc brake, replaceable alloy derailleur hange
- Drivetrain
- Shimano Altus, 9-speed (mixed build)
- Wheels
- Aluminium Stout Alloy, hookless, pinned, disc only, double-wall, 25mm inner width, 28h
- Brakes
- not stated by the shop: not scored
- Weight
- not stated by the shop: not scored
- Power meter
- No
- Suspension
- hardtail (front suspension only)
- Fork
- SR Suntour XCM, 100 mm travel
- Tyres
- Ground Control Sport, 29x2.3"
The compromises
- 9-speed drivetrain, fewer gears than the 11- and 12-speed groupsets on most mountain bikes.
- Mixed groupset: not every component is Shimano Altus.
- 2021 model year.
Your size
What BikeExchange lists, and what it has today
This brand publishes no centimetre equivalence we can verify, so the bike appears only when you pick a letter size.
Where to buy
BikeExchange is the only one of the 22 shops we check that sells this bike.
Price so far
€749 at every one of our 4 checks since 16 Sept.
Every check
| Checked | Price | Availability |
|---|---|---|
| 16/09/2026, 20:27:07 | €749 | limited |
| 17/09/2026, 07:34:21 | €749 | limited |
| 18/09/2026, 07:35:11 | €749 | limited |
| 19/09/2026, 07:35:47 | €749 | limited |
How sure we are
We read 5 of 7 key facts off BikeExchange's page; not stated: brakes, weight. Anything we could not read is scored below the cheapest option, so a gap never flatters a bike.
Read 07:35 today. The full audit trail shows the source text behind every fact. Report a mistake
Full specification as published by BikeExchange
| Rahmen | 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 |
|---|---|
| Art der Bremse | Scheibenbremse |
| Speichen | Stainless, 14g |
| Nabe hinten | Shimano FH-TX505, Center Lockâ„¢ disc, 9x135mm spacing, quick-release, 32h |
| Reifen hinten | Ground Control Sport, 29x2.3" |
| Laufräder | Stout Alloy, hookless, pinned, disc only, double-wall, 25mm inner width, 28h |
| Reifen vorne | Ground Control Sport, 29x2.3" |
| Nabe vorne | Shimano HB-TX505, Center Lockâ„¢ disc, 9x100mm spacing, quick-release, 28h |
| Schläuche | Presta, 40mm valve |
| Vorbau | Stout 3D-forged alloy, 31.8mm, 6-degree rise |
| Lenker | Stout Mini Rise, alloy, 9-degree backsweep, 15mm rise, 31.8mm |
| Griffe | Specialized Trail Grips, lock-on |
| Schaltung | Shimano Alivio |
| Kurbelgarnitur | Stout 2x, forged alloy |
| Kettenblätter | 22/36T |
| Schalthebel | Shimano Acera, RapidFire Plus, 9-speed |
| Kassette | SunRace, 9-Speed, 11-36t |
| Innenlager | Square-tapered, 73mm, internal bearings, 122.5mm spindle |
| Umwerfer | Shimano Altus FD-M2020 2-speed |
| Kette / Riemen | KMC X9EPT, 9-speed, anti-corrosion coating w/ reusable Missing Linkâ„¢ |
| Sattel | Bridge Sport, steel rails |
| Sattelklemme | Alloy, quick release, 34.9 |
| Sattelstütze | Alloy, 12mm offset, 2-bolt clamp, 30.9mm |
| Gabel Bauart | Federgabel |
| Federweg vorne | 100mm |
| Gabelhersteller | SR Suntour |
| Gabel | SR Suntour XCM 29, 30mm Stanchions, Rx Tune, coil spring, custom Multi-Circuit damping w/lockout, QR, 90/100mm travel (size-specific), 46mm offset |
| Jahr | 2021 |
The shop's feature list
- Aluminium
- Shimano Alivio
- 29"
- Beschreibung