Specialized HOTROCK 20 BOYS 2009 VS Scott SCALE JR 20 2007 specs comparison

Specialized Hotrock 20 Boys
General InfosModel | Hotrock 20 Boys |
Manufacturer | Specialized |
Year of production | 2009 |
Current price | Check price Here ==> |
Color choice | - Gloss Black Green- Gloss Silver and Red- Gloss White and Black-Gloss Black and Yellow |
Sizes | - Not available |
Sizes | - Not available |
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 | Alloy Linear Pull |
Hubs for disc brakes | Rear: Forged AlloyFront: Alloy Nutted |
Rims manufacturer | 32-holeAlex C-1000 |
Spoke nipples type | Not Available |
Spoke wheel | 14ga. UCP |
Frame and Body Specs
Frame materials | Specialized A1 Premium Aluminum |
Frame type | TIG-welded |
Handlebar construction | Hi-Ten Riser |
Handlebar extender | Optional |
Handlebar stem details | Alloy |
Headset size | 1 1/8 (inches) Threadless |
Gearing Specifications
Bicycle chain | 1/2 X 3/32 (inches)KMC Z50 |
Bottom bracket shell width | 68 (millimeters) |
Bottom bracket type | 128 (millimeters) SpindleVP |
Crankset parts and sizes | 36 TeethSugino With Chainguide |
Gear shift levers | Twist-shift |
Rear gear set | 6-speed |
Specialized Hotrock 20 Boys Fork System Data
Derailleur (Front) | Not Available |
Derailleur (Rear) | Not Available |
Fork material | Single CrownSteel and aluminum |
Fork type | 50 (millimeters) TravelRST Capa C20 |
Other Specs of Specialized Hotrock 20 Boys
Component group sets | Mountain Mix |
Pedals details | Composite |
Rear shock absorber | Not Available |
Saddle seat | Specialized |
Seat post extension | 27.2 (millimeters) DiameterAlloy Micro Adjust |

Scott Scale JR 20
General InfosModel | Scale JR 20 |
Manufacturer | Scott |
Year of production | 2007 |
Current price | Check price Here ==> |
Color choice | -Not found |
Sizes | - Not available |
Wheels And Breaking System
Bike front tire | 20 X 2.00 (inches) Kenda K-829 XC Type |
Bike rear tire | Not Available |
Bike wheel size | 20 (inches) Wheels |
Brakeset type | Tektro 324A-TS LeversLee Chi 209 P Brakes |
Hubs for disc brakes | FM-11 Bolt On |
Rims manufacturer | 36-holeJalco VP-20 |
Spoke nipples type | Not Available |
Spoke wheel | UCP |
Frame and Body Specs
Frame materials | 6061 Alloy c |
Frame type | TIG-welded |
Handlebar construction | Junior Flat |
Handlebar extender | Optional |
Handlebar stem details | HL TDS-C41-8 |
Headset size | VP A73 |
Gearing Specifications
Bicycle chain | Not Available |
Bottom bracket shell width | Not Available |
Bottom bracket type | Chin Haur CH-46 |
Crankset parts and sizes | 32/42 TeethLasco Double |
Gear shift levers | Shimano SL-RS31-6 |
Rear gear set | 14 - 28 Teeth6-speed |
Scott Scale JR 20 Fork System Data
Derailleur (Front) | Shimano FD-TY22GS |
Derailleur (Rear) | Shimano Alivio |
Fork material | Single CrownAluminum and steel |
Fork type | 40 (millimeters) TravelRST 200K |
Other Specs of Scott Scale JR 20
Component group sets | Juvenile Mix |
Pedals details | VP 570 BMX-type |
Rear shock absorber | Not Available |
Saddle seat | Junior Racing VC-2202 |
Seat post extension | Lee Chi SP-214 |
Useful links and guides ....
- To know more about this exacte bike, Specialized provided us with the latest version of its Hotrock 20 Boys bike manual
- Find All parts, tires and accessories of Specialized Hotrock 20 Boys Youth here
- Get your Scott Scale JR 20 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Scott Scale JR 20 Youth here