2019 Specialized Riprock Coaster 20

2019 Specialized Riprock Coaster 20
MSRP$260
WheelsAluminum 20″
FrameAluminum
SuspensionRigid
GearingSingle-speed
Drivetrain

The 2019 Riprock Coaster 20 is an aluminum frame coaster bike by Specialized.

View on specialized.com

Build
FrameSpecialized A1 Premium Aluminum
ForkHi-Ten, 1-1/8" steerer
Bottom BracketSteel, loose ball bearings
HandlebarBMX, steel, 10-degree backsweep, 4-degree upsweep, 130mm rise, 560mm width, 22.2mm
SaddleSpecialized Kids' Henge
SeatpostSteel, 25.4mm
PedalsNylon platform w/ reflectors
GripsSpecialized, slip-on
Components
CrankHi-Ten steel, 114mm, 36T
Cassette18T cog
ChainKMC Z510, single-speed, anti-drop, 1/2"x1/8"
BrakesV-brake w/ tool-less reach adjust brake lever
Wheels
Rims20" alloy, 16mm depth, 21mm internal width
SpokesStainless, 14g
Front HubSteel, bolt-on, 100mm spacing, loose ball bearings, 36h
Rear HubCoaster brake, bolt-on, loose ball bearings, 110mm spacing, 18T cog, 36h
TiresRhythm Lite, 30 TPI, wire bead, 20x2.3"
Gearing
Single-speed1 speed
2019 Specialized Riprock Coaster 20
12 mph
Similar Bikes
18 mph

Similar bikes are easier to ride up hills than the 2019 Riprock Coaster 20.

The 2019 Riprock Coaster 20 won‘t keep up with similar bikes while riding downhill or sprinting.

Geometry

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

Size
Stack 413
Reach 315
Stack/Reach Ratio1.31
Top Tube Length 449
Seat Tube Length 250
Seat Tube Angle72.0
Head Tube Length 80
Head Tube Angle70.0
BB Drop 42
Front Center 476
Chainstay Length 386
Wheelbase 858
Rake 23
Trail 71
Standover Height 477
🐐 Measurements listed in millimeters and degrees
MSRP$260
WheelsAluminum 20″
FrameAluminum
SuspensionRigid
GearingSingle-speed
Drivetrain
Gearing
Single-speed1 speed
2019 Specialized Riprock Coaster 20
12 mph
Similar Bikes
18 mph

Similar bikes are easier to ride up hills than the 2019 Riprock Coaster 20.

The 2019 Riprock Coaster 20 won‘t keep up with similar bikes while riding downhill or sprinting.

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