Bicycle Archive ยท Specification reportBicycle Archive ยท Specification reportVelopedia Archive ID 1593682
| Model year | 2015 |
|---|---|
| Brand | Specialized |
| Model | HOTROCK 20 PRO |
| Bicycle type | Youth |
| Archive ID | 1593682 |
| Original MSRP | $660.00 |
| Colors | Black/Hyper |
| Sizes | One Size |
| Frame construction | Specialized A1 Premium Aluminum, formed toptube/downtube, forged dropouts, replaceable alloy derailleur hanger |
|---|---|
| Frame material | Aluminum |
| Fork | SR Suntour XCR-LO Air, 1 pc. mag lower, air spring, Hi-Ten 28mm stanchions, 1-1/8" steerer, direct press type dust seal, lockout and preload adjust, disc mount, 65mm travel |
| Fork material | Suspension |
| Component group | Mountian mix |
|---|---|
| Shifters | SRAM X4, 9-speed, trigger |
| Front derailleur | None |
| Rear derailleur | SRAM X7, 9-speed, short cage |
| Crankset | Forged alloy arms, w/ single outer chainguard, 36t steel |
| Bottom bracket | 68x118mm, cartridge bearings, square taper spindle, double crank stops, steel cups w/ capless bolts |
| Rear cogs | Sunrace, 9-speed, 11-32 |
| Chain | KMC X9, 9-speed, reusable Missing Link |
| Pedals | Composite platform, w/ reflectors, 9/16" |
| Brakes | Tektro, hydraulic disc, dual piston, Light Wave style rotor |
|---|
| Headset | Ahead, 1/8" sealed cartridge bearings |
|---|---|
| Handlebar | Specialized flat, 6061 double butted alloy, 10-degree backsweep, 4-degree upsweep, 31.8mm |
| Stem | Specialized P.Series MTB, forged alloy, top load |
| Saddle | Specialized Kids, 7mm rails, w/ bumper |
| Seatpost | Alloy, single bolt, 27.2mm |
| Hubs | Specialized Hi Lo disc, sealed bearing, QR, 32h, Specialized Hi Lo disc, double-sealed bearing, QR, 32h |
|---|---|
| Rims | 20" disc, alloy double-wall, pin joint, w/ eyelets, 32h |
| Spokes | Stainless, 14g, w/ brass nipple |
| Front tire | Specialized Roller, 30TPI, wire bead, 20x2.125" |
| Wheel size | 20 |
Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 5, 2026.