Specialized Riprock Coaster 12

Name: Specialized Riprock Coaster 12
Brand: Specialized

2019 YouthGeneral youth Manufacturer page

Last known price: $230

Prices shown first for United States
Suspension: Rigid
Wheels: 12″
Frame: Aluminum
Brakes: Coaster brake

Sizes

Size guide

The manufacturer did not publish rider heights for these sizes.

Components

3 of 16 identified

Parts found in a manufacturer catalog show their brand, model and key numbers, and the steps show how precisely they are identified: brand, series, model, or the exact product. The info button has every detail and the text the manufacturer published.

Frame and fork

1 part

Frame

Specialized A1 Premium Aluminum Not identified

Suspension

1 part

Fork

Hi-Ten, 1" threaded steerer Not identified

Drivetrain

3 parts

Bottom bracket

Steel, loose ball bearings Not identified
Chain
- KMC
Crankset

Hi-Ten steel, 76mm, 36T Not identified

Brakes

1 part

Brakes

Coaster brake Not identified

Wheels and tires

5 parts

Front hub

Bolt-on, 95mm spacing, loose ball bearings, 16h Not identified
Rear hub

Coaster brake, bolt-on, loose ball bearings, 110mm spacing, 16T cog, 16h Not identified
Rims

12" alloy, 16mm depth, 21mm internal width Not identified
Spokes

Stainless, 14g Not identified
Tires

Front: Rhythm Lite, 30 TPI, wire bead, 12x2.3", Rear: Rhythm Lite, 30 TPI, wire bead, 12x2.3" Not identified

Cockpit and contact points

5 parts

Grips
- Specialized
Handlebar

BMX, steel, 10-degree backsweep, 4-degree upsweep, 65mm rise, 470mm width, 22.2mm Not identified
Pedals

Nylon platform w/ reflectors Not identified
Saddle
- Specialized
Seatpost

Steel, 22.2mm Not identified

Sizes and geometry

1 size Open in the geometry plotter

Complete rider-height ranges are not published for these sizes. You can still explore the geometry below.

Size 6

Table

Reach 222mm

Stack 274mm

Wheelbase 603mm

Head angle 70.0°

Seat angle 71.0°

Every size is drawn to the same scale, in millimeters. Explanatory schematic on an assumed 12″ wheel; exact published values are in the table below.

Size Reach Stack

Complete manufacturer geometry table 1 published size

Complete manufacturer geometry by size
Measurement
Frame
Reachmm	222
Stackmm	274
Top tube lengthmm	350
Seat tube lengthmm	170
Head tube lengthmm	80
Head tube angle	70°
Seat tube angle	71°
Chainstay lengthmm	272
Wheelbasemm	603
Front centermm	331
Bottom bracket dropmm	11
Standover heightmm	365
Fork rakemm	5
Trailmm	53
Stack/reach ratio	1.23
Suspension and parts
Handlebar widthmm	470
Stem lengthmm	35

Not published by the manufacturer: Bottom bracket height, Front travel, Rear travel, Crank length, Stem angle, Seatpost length and Dropper post travel.

Specifications

Frame and fork

Intended fit: Unisex
Frame material: Aluminum
Fork material: Steel

Suspension

Suspension configuration: Rigid

Drivetrain

Derived by Bikelake

Front chainrings: 1
Smallest chainring: 36
Largest chainring: 36

Wheels and brakes

Wheel configuration: Same size
Brake type: Coaster brake

Fit and controls

Seatpost: Rigid seatpost
Shifting: Mechanical

Additional specifications

Tire width: 2.3″
Travel: Front: Additional specification: Not available: Yes
Rear: Additional specification: Not available: Yes
Wheel material: Aluminum
Wheel size: 12″

Lineup changes

The published facts that differ across this family's builds and from the same model a year earlier. Missing information never counts as zero.

Differences across 2019 builds

Differences across 2019 builds
Specification	This bicycle Specialized Riprock Coaster 12	Specialized Riprock 24 – Sagan Collection	Specialized Riprock Coaster 16	Specialized Riprock Coaster 20	Specialized Riprock Comp 24	Specialized Riprock Expert 24
Frame
Fork material	Steel	Not informed	Steel	Steel	Not informed	Aluminum
Suspension
Suspension configuration	Rigid	Hardtail	Rigid	Rigid	Hardtail	Hardtail
Front travel	Not informed	70 mm	Not informed	Not informed	70 mm	70 mm
Drivetrain
Smallest chainring	36	30	36	36	30	32
Largest chainring	36	30	36	36	30	32
Rear sprockets	Not informed	8	Not informed	1	9	10
Smallest sprocket	Not informed	11	Not informed	18	11	11
Largest sprocket	Not informed	34	Not informed	18	36	36
Lowest gear	Not informed	21.2 in	Not informed	40.0 in	20.0 in	21.3 in
Highest gear	Not informed	65.5 in	Not informed	40.0 in	65.5 in	69.8 in
Brakes
Brake type	Coaster brake	Mechanical disc	Coaster brake	Coaster brake	Hydraulic disc	Hydraulic disc
Cockpit
Shifting	Mechanical	Mechanical	Mechanical	No shifting	Mechanical	Mechanical
Other specifications
Suspension	Rigid	Hardtail	Rigid	Rigid	Hardtail	Hardtail
Tire width	2.3″	2.8″	2.3″	2.3″	2.8″	2.8″
Wheel size	12″	24″	16″	20″	24″	24″
Bottom bracket standard	Not informed	BSA	Not informed	Not informed	BSA	BSA
Fork spring	Not informed	Coil	Not informed	Not informed	Air	Air