2012 Hotrock 20 Coaster Girls
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The Hotrock 20 Coaster is designed to be fun, safe, and reliable, with kid friendly…
Product Details
The Hotrock 20 Coaster is designed to be fun, safe, and reliable, with kid friendly features like dependable brakes and low standover height.
20" A1 Premium Aluminum coaster-style frame with integrated kickstand has a low center of gravity for stability
Lightweight 36-spoke alloy rims are durable and provide a stable platform for learning
Specialized Rhythm Lite Sport tires will take a kid from the driveway to the dirt confidently
Lightweight alloy Ahead stem for perfect positioning and easy, Allen-wrench adjustments
Coaster brakes and hand brakes help young riders get used to stopping like the big kids
Technical Specifications
FRAMESET
FRAME
Specialized A1 Premium Aluminum, 20"" frame w/ low standover TT design, integrated kickstand, horizontal dropouts
FORK
1-1/8"" threadless Hi-Ten steerer w/ 1-1/8"" blades
HEADSET
1-1/8"" threadless, loose ball
SEAT BINDER
32.2mm, alloy, single bolt
WHEELS
RIMS
Alloy pinned, 36h
FRONT HUB
Steel, nutted axle, 36h
REAR HUB
Steel, coaster brake, nutted axle, 36h
SPOKES
UCP 14g , w/ brass nipple
FRONT TIRE
Specialized Rhythm Lite Sport, 30 TPI, wire bead, 20x2.0""
REAR TIRE
Specialized Rhythm Lite Sport, 30 TPI, wire bead, 20x2.0""
INNER TUBES
Schrader valve
DRIVETRAIN
CHAIN
KMC Z-410, 1/2"" x 1/8""
CRANKSET
Heat-treated Hi-Ten, 1pc.
CHAINRINGS
36T, disc-type
BOTTOM BRACKET
Heat treated Hi-Ten cups, loose ball for 1pc.
COCKPIT
STEM
Alloy Ahead
HANDLEBARS
Steel 2pc.
GRIPS
Specialized Kraton
SADDLE
Specialized Kids, 7mm rail w/ clamp
SEATPOST
Steel, 25.4mm
BRAKES
BRAKE
Coaster w/ linear pull
ACCESSORIES
PEDALS
Composite platform w/ reflectors, loose ball, 9/16""
* Weights based on production painted frames as pictured. Actual weights will vary based on colorway, frame size, and component variation. Specifications are subject to change without notice.
Geometry
| 12 | 16 | 20 | |
|---|---|---|---|
| Top Tube Length (Horizontal) | 305mm | 385mm | 439mm |
| Rake | 24mm | 24mm | 23.5mm |
| Top Tube Length (Actual) | 301mm | 378mm | 439mm |
| Seat Tube Length, Center to Top | 179mm | 210mm | 241mm |
| Bottom Bracket Height | 165mm | 198mm | 227mm |
| Standover Height | 338mm | 412mm | 482mm |
| Head Tube Length | 70mm | 80mm | 80mm |
| Head Tube Angle | 70° | 70° | 70° |
| Chainstay Length | 271mm | 310mm | 389mm |
| Seat Tube Angle | 76° | 74° | 76° |
Rider Reviews
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