
Bikes up to 60% offWe monitor over 40,000 bikes daily to find the best prices
Today’s DealsHardrock 650b
A 27.5″ aluminum frame hardtail crosscountry bike with mid-range components and rim brakes.
Compare the full range
| Frame | Aluminum |
|---|---|
| Suspension | Hardtail, 75mm |
| Fork | Suntour |
| Wheels | 27.5″ Aluminum |
| Drivetrain | 3 × 7 |
| Groupset | Tourney |
| Brakes | Rim |
5'1" – 5'6"
5'4" – 5'9"
5'7" – 6'0"
5'10" – 6'3"
6'0" – 6'5"
🐐 Estimated
None yet.
Do you have this bike? Help other riders make a decision about which size will work for them by sharing your own size and fit notes.

Jul 2014 · Steve Williams
The Hardrock can survive trails, but only just, and it won’t improve as you do
| Frame | A1 Premium Aluminum, 3D forged dropouts, alloy replaceable derailleur hanger |
|---|---|
| Fork | SR Suntour M3030 650b, 1-1/8"" steel steerer, 75mm of travel, 9mm axle, coil spring w/preload adjust Travel: 75mm Spring Type: Coil |
| Bottom Bracket | Square taper, 73mm, internal bearings |
| Stem | 3D-forged alloy, 31.8mm clamp, 6-degree rise |
| Handlebar | Flat bar, double-butted 6061 alloy, 700mm width, 10-degree upsweep, 4-degree upsweep, 31.8mm |
| Saddle | Body Geometry mountain, steel rails, 143mm |
| Seatpost | Alloy, 12mm offset, 2-bolt clamp, 30.9mm Type: Rigid |
| Pedals | Specialized MTB, platform w/molded pin, Cr-Mo spindle |
| Grips | Specialized MTB Grip, lock-on |
| Rear Derailleur | Shimano Tourney, 7-speed |
|---|---|
| Front Derailleur | Shimano Tourney, top-swing, 34.9mm clamp, 7-speed |
| Crank | Samox, forged alloy, square taper spindle, 42/34/24T w/chainguard |
| Shifters | Shimano EF500, EZ Fire Plus, 7-speed |
| Cassette | Shimano Tourney freewheel, 7-speed, 14-34t |
| Chain | KMC X8, 8-speed w/reusable MissingLink |
| Brakes | Front: V-brake, linear pull, Rear: V-brake, linear pull Type: Rim |
| Rims | 650b, V-brake, alloy, double-wall, CNC sidewalls, pin joint, 25mm wide, 32h |
|---|---|
| Spokes | Stainless, 14g |
| Front Hub | Specialized V-brake, alloy, loose ball bearings, 9mm, QR |
| Rear Hub | Specialized V-brake, loose ball bearings, QR, 32h |
| Tires | Front: Fast Trak Sport, 650bx2.0"", 60TPI, wire bead, Flak Jacket protection, Rear: Fast Trak Sport, 650bx2.0"", 60TPI, wire bead, Flak Jacket protection |
First added November 6
Last updated November 6
Not listed for 2,401 days