2017 Specialized Riprock Coaster 20

2017 Specialized Riprock Coaster 20
Summary
MSRPUS$ 250
Wheel Size20″
FrameAluminum
SuspensionRigid
Drivetrain
Brand
Specialized
Description

The 2017 Riprock Coaster 20 is an aluminum frame coaster bike by Specialized.

Build
FrameSpecialized A1 Premium Aluminum
ForkHiTen, 1-1/8" steerer
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'
SeatpostSteel, 25.4mm
PedalsNylon platform w/reflectors
GripsSpecialized, dual colored
Components
CrankHi-Ten steel, OPC, 36T
ChainKMC Z510, single-speed, anti-drop, 1/2"x1/8"
BrakesV-brake, alloy, linear pull
Wheels
Rims20", alloy single wall, 36h
SpokesStainless, 14g
Front HubSteel, 3/8" axle, 36h
Rear HubRear coaster brake, 3/8" Cr-Mo axle, loose ball bearings, 18T cog, 36h
TiresRhythm Lite, 20x2.3", 30TPI, wire bead, directional tread
Geometry

Oh snap! This frame was drawn from the actual bike geometry measurements. Roll over the table below to highlight frame dimensions.

Size
Stack413
Reach315
Top Tube Length449
Seat Tube Angle72.0
Seat Tube Length250
Head Tube Angle70.0
Head Tube Length80
Chainstay Length386
BB Drop42
Front Center476
Wheelbase858
Standover Height477
🐐 Measurements listed in millimeters and degrees
Replacement Parts
Summary
MSRPUS$ 250
Wheel Size20″
FrameAluminum
SuspensionRigid
Drivetrain
Brand
Specialized
Replacement Parts
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