2017 Specialized Boy's Hotrock 20 Coaster

2017 Specialized Boy's Hotrock 20 Coaster
Summary
MSRPUS$ 250
Wheel Size20″
FrameAluminum
SuspensionRigid
Drivetrain
Brand
Specialized
Description

The 2017 Boy's Hotrock 20 Coaster is an aluminum frame coaster bike by Specialized.

Build
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
Bottom BracketSteel, loose ball bearings
StemAhead, alloy, 1-1/8" steerer, 22.2mm clamp, 37mm extension
HandlebarBMX, steel, 10-degree backsweep, 4-degree upsweep, 130mm rise, 560mm width, 22.2mm
SaddleSpecialized Kids', 7mm rails w/clamp
SeatpostSteel, 25.4mm
PedalsNylon platform w/reflectors
GripsSpecialized, Kraton, closed end, 105mm
Components
CrankHi-Ten steel, OPC, 36T
ChainKMC Z510, single-speed, anti-drop, 1/2"x1/8"
BrakesRear V-brake, alloy, linear pull w/rear coaster brake
Wheels
Rims20", alloy single wall, pin joint, 32h
SpokesStainless, 14g
Front HubSteel, nutted axle, 36h
Rear HubSteel, coaster brake, nutted axle, 36h
TiresSpecialized Rhythm Lite, 20x2.0", 30TPI, wire bead
Geometry

Roll over table below to highlight frame dimensions.

Size
9
Top Tube Length456
Seat Tube Angle72.0
Seat Tube Length241
Head Tube Angle70.0
Head Tube Length80
Chainstay Length386
BB Height227
Standover Height505
🐐 Measurements listed in millimeters and degrees
Replacement Parts
Summary
MSRPUS$ 250
Wheel Size20″
FrameAluminum
SuspensionRigid
Drivetrain
Brand
Specialized
Replacement Parts
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