The Hotrock 20 Coaster is designed to be fun, safe, and reliable, with kid-friendly features like dependable brakes and low standover height.
The tough, light, and durable Specialized A1 Premium Aluminum frame is built to last.
Strong and durable alloy wheels can handle years of wear and tear.
The alloy V-Brakes provide reliable and excellent stopping power on the trail or on the road.
FRAMESpecialized A1 Premium Aluminum, 20" singlespeed coaster, formed top tube/down tube, forged horizontal dropouts
FORKHi-Ten steel, 1-1/8" threadless steerer, 3/8" axle dropouts
HEADSETAhead, 1/8" sealed cartridge bearings
STEMAhead, alloy, 1-1/8"
HANDLEBARSBMX, steel, 10-degree backsweep, 4-degree upsweep, 130mm rise, 22.2mm
GRIPSSpecialized, Kraton, closed end, 105mm
BRAKE V-brake, alloy, linear pull
CHAINKMC Z510, single speed, anti-drop, 1/2"x1/8"
CRANKSETHi-Ten steel, OPC
BOTTOM BRACKET Steel, OPC Ball retainer type
PEDALSNylon, BMX style, loose ball bearings, 9/16", w/ reflectors
RIMS20", alloy single wall, pin joint, 36h
FRONT HUBSteel, 3/8" axle, 36h
REAR HUBSteel, coaster brake, nutted axle, 36h
FRONT TIRESpecialized Rhythm Lite, 2.0"
REAR TIRESpecialized Rhythm Lite, 2.0"
INNER TUBESStandard, Schrader valve
SADDLESpecialized Kids, 7mm rails, w/ clamp
SEAT BINDERAlloy, 31.8mm