2016 Hotrock 20″ (Coaster)

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The Hotrock 20 Coaster is designed to be fun, safe, and reliable, with kid-friendly features like dependable brakes and low standover height.

FRAME Specialized A1 Premium Aluminum, 20" singlespeed coaster, formed top tube/down tube, forged horizontal dropouts
FORK Hi-Ten steel, 1-1/8" threadless steerer, 3/8" axle dropouts
HEADSET Ahead, 1/8" sealed cartridge bearings
STEM Ahead, alloy, 1-1/8"
HANDLEBARS BMX, steel, 10-degree backsweep, 4-degree upsweep, 130mm rise, 22.2mm
GRIPS Specialized, Kraton, closed end, 105mm
BRAKE V-brake, alloy, linear pull
CHAIN KMC Z510, single speed, anti-drop, 1/2"x1/8"
CRANKSET Hi-Ten steel, OPC
CHAINRINGS 36T
BOTTOM BRACKET Steel, OPC Ball retainer type
PEDALS Nylon, BMX style, loose ball bearings, 9/16", w/ reflectors
RIMS 20", alloy single wall, pin joint, 36h
FRONT HUB Steel, 3/8" axle, 36h
REAR HUB Steel, coaster brake, nutted axle, 36h
SPOKES Stainless, 14g
FRONT TIRE Specialized Rhythm Lite, 2.0"
REAR TIRE Specialized Rhythm Lite, 2.0"
INNER TUBES Standard, Schrader valve
SADDLE Specialized Kids, 7mm rails, w/ clamp
SEATPOST Steel, 25.4mm
SEAT BINDER Alloy, 31.8mm