Bicycle Archive · Specification reportBicycle Archive · Specification reportVelopedia Archive ID 900004078
| Model year | 2023 |
|---|---|
| Brand | Specialized |
| Model | Riprock 20 |
| Bicycle type | Youth |
| Archive ID | 900004078 |
| Original MSRP | $599.99 |
| Colors | Gloss Uv Lilac / Black; Gloss Sky / White; Gloss Oasis / Black; Gloss Flo Red / Black |
| Sizes | 20 |
| Weight | 9.9kg (21 lb, 13.2 oz) |
| Frame construction | A1 Premium Butted Alloy, unisex frame, internal cable routing, 148mm thru-axle, 30.9mm dropper post ready, replaceable derailleur hanger compatible |
|---|---|
| Frame material | Aluminum |
| Fork | A1 Premium Butted Alloy, Alloy steerer, 15x110 mm, W/Mini Fender |
| Fork material | Aluminum |
| Shifters | microSHIFT Advent SL-M6190, 9-speed , short reach triggers for easy operation |
|---|---|
| Rear derailleur | MicroSHIFT Advent 9 Speed, W/O Clutch |
| Crankset | Forged Alloy, 115mm length, narrow Q-factor, w/ chainguard; chainrings: 30T, chainguard |
| Bottom bracket | Square-tapered, 68mm |
| BB shell width | 68 mm |
| Cassette | microSHIFT Advent, 9-speed, 11-42t |
| Chain | KMC X9EPT, 9-speed, anti-corrosion coating w/ reusable Missing Link™ |
| Pedals | Nylon platform w/ reflectors |
| Brakes | (F) C-STAR Hydraulic Disc Brake, 160mm rotor, adjustable reach / (R) C-STAR Hydraulic Disc Brake, 160mm rotor, adjustable reach |
|---|
| Handlebar | Mini Rise, Alloy Double Butted, 6-degree Backsweep, 600mm Width, 31.8mm , 19mm Bar End Diameter |
|---|---|
| Stem | Stout 3D-forged alloy, 31.8mm, 6-degree rise |
| Saddle | Kids Bridge Saddle, 130mm |
| Seatpost | Specialized, 6061 alloy, 2-bolt clamp, 0mm setback, 30.9mm |
| Hubs | (F) Alloy, 6-Bolt, 28H, 15x110 Boost / (R) Alloy, 6-Bolt, 28H, 12x148 Boost, 11-speed compatiable |
|---|---|
| Rims | Alloy, 16mm depth, 25mm internal width, 28H |
| Spokes | Stainless, 14g |
| Front tire | Ground Control Sport, 20x2.35" |
| Rear tire | Ground Control Sport, 20x2.35" |
| Seat tube | 290 mm |
|---|---|
| Effective top tube | 405 mm |
| Head tube | 75 mm |
| Head-tube angle | 68° |
| Seat-tube angle | 73.5° |
| Chainstay / rear center | 350 mm |
| Wheelbase | 830 mm |
| Bottom-bracket drop | 30 mm |
| Bottom-bracket height | 239 mm |
| Reach | 295 mm |
| Stack | 385 mm |
| Standover height | 520 mm |
| Fork offset / rake | 40 mm |
| Front center | 482 mm |
| Trail | 66 mm |
| Fork length / axle-to-crown | 320 mm |
| Seatpost length | 300 mm |
| Crank length | 115 mm |
| Stem length | 35 mm |
| Handlebar width | 600 mm |
Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 26, 2026.