Hotrock 20 Coaster Boys
Part No.  

Hotrock 20 Coaster Boys

Part No.  
load-spinner
The Hotrock 20 Coaster is designed to be fun, safe, and reliable, with kid-friendly features like dependable brakes and low standover height.
  • 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.
  • The tough, light, and durable Specialized A1 Premium Aluminum frame is built to last.

Technical Specifications

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

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