Specialized HOTROCK 20 GIRLS COASTER 2007 VS Diamondback RM 20 2007 specs comparison
Specialized Hotrock 20 Girls Coaster
General InfosModel | Hotrock 20 Girls Coaster |
Manufacturer | Specialized |
Year of production | 2007 |
Current price | Check price Here ==> |
Color choice | - Purple-Pink |
Sizes | - Standard size for everyone |
Sizes | - Standard size for everyone |
Wheels And Breaking System
Bike front tire | 20 X 2.125 (inches) Specialized Roller |
Bike rear tire | Not Available |
Bike wheel size | 20 (inches) Wheels |
Brakeset type | Tektro Jr. LeversCoaster Rear Brakes |
Hubs for disc brakes | Joy Tech Steel Nutted |
Rims manufacturer | 36-holeAlloy Single Wall |
Spoke nipples type | Not Available |
Spoke wheel | 14ga. Straight GaugeUCP |
Frame and Body Specs
Frame materials | Specialized A1 Premium Aluminum |
Frame type | TIG-welded |
Handlebar construction | Hi-Ten 2pc |
Handlebar extender | Optional |
Handlebar stem details | Alloy A-Head |
Headset size | 1 1/8 (inches) Threadless |
Gearing Specifications
Bicycle chain | KMC Z410 |
Bottom bracket shell width | Not Available |
Bottom bracket type | Loose Ball |
Crankset parts and sizes | 36 TeethHeat Treated Hi-Ten |
Gear shift levers | Not Available |
Rear gear set | 1-speed |
Specialized Hotrock 20 Girls Coaster Fork System Data
Derailleur (Front) | Not Available |
Derailleur (Rear) | Not Available |
Fork material | Unicrown CrownSteel |
Fork type | Specialized |
Other Specs of Specialized Hotrock 20 Girls Coaster
Component group sets | Juvenile Mix |
Pedals details | Composite Platform |
Rear shock absorber | Not Available |
Saddle seat | Specialized Hotrock Jumping |
Seat post extension | 25.4 (millimeters) DiameterSteel |

Diamondback RM 20
General InfosModel | RM 20 |
Manufacturer | Diamondback |
Year of production | 2007 |
Current price | Check price Here ==> |
Color choice | -Anno Red |
Sizes | - 20 wheel (inches) |
Wheels And Breaking System
Bike front tire | 20 X 2.125 (inches) Comp III Style |
Bike rear tire | Not Available |
Bike wheel size | 20 (inches) Wheels |
Brakeset type | Alloy 2-finger LeversLinear-pull Front and Coaster Rear Brakes |
Hubs for disc brakes | Nutted |
Rims manufacturer | 36-holeR-1000 Alloy |
Spoke nipples type | Not Available |
Spoke wheel | 14ga. Straight Gauge |
Frame and Body Specs
Frame materials | Hi-Tensile Steel |
Frame type | TIG-welded |
Handlebar construction | 2-piece |
Handlebar extender | Optional |
Handlebar stem details | Steel Quill With Alloy Cap |
Headset size | 1 (inches) Threaded |
Gearing Specifications
Bicycle chain | KMC Z410 |
Bottom bracket shell width | Not Available |
Bottom bracket type | Loose Ball |
Crankset parts and sizes | 36 Teeth140 (millimeters) 1-Piece |
Gear shift levers | Not Available |
Rear gear set | 18 Teeth1-speed |
Diamondback RM 20 Fork System Data
Derailleur (Front) | Not Available |
Derailleur (Rear) | Not Available |
Fork material | Unicrown CrownSteel |
Fork type | Diamondback |
Other Specs of Diamondback RM 20
Component group sets | Juvenile Mix |
Pedals details | Resin Platform |
Rear shock absorber | Not Available |
Saddle seat | DB MX Padded |
Seat post extension | 25.4 (millimeters) DiameterSteel Pillar |
Useful links and guides ....
- To know more about this exacte bike, Specialized provided us with the latest version of its Hotrock 20 Girls Coaster bike manual
- Find All parts, tires and accessories of Specialized Hotrock 20 Girls Coaster Youth here
- Get your Diamondback RM 20 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Diamondback RM 20 Youth here