Rocky Mountain GRIND 20 2007 VS Scott SPARK JR 20 2011 specs comparison
Rocky Mountain Grind 20
General Infos| Model | Grind 20 |
| Manufacturer | Rocky Mountain |
| Year of production | 2007 |
| Current price | Check price Here ==> |
| Color choice |
-Black and Red |
| Sizes |
- Boys 12 (inches) |
| Sizes |
- Boys 12 (inches) |
Wheels And Breaking System
| Bike front tire | 20 X 1.95 (inches) Kenda |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Tektro TS325 Levers Tektro J310 Brakes |
| Hubs for disc brakes | Alloy QR |
| Rims manufacturer | Alex Y-2000 |
| Spoke nipples type | Not Available |
| Spoke wheel | 14ga. Black |
Frame and Body Specs
| Frame materials | 6061 T6 Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | RMB XC |
| Handlebar extender | Not Available |
| Handlebar stem details | RMB XC |
| Headset size | FSA |
Gearing Specifications
| Bicycle chain | KMC Z50 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | FSA Sealed |
| Crankset parts and sizes | 36 Teeth Alloy |
| Gear shift levers | Shimano Revo 6-speed |
| Rear gear set | 6-speed |
Rocky Mountain Grind 20 Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Shimano FT-30 Super Short Cage |
| Fork material | Single Crown Aluminum and steel |
| Fork type | 50 (millimeters) Travel RST 200K |
Other Specs of Rocky Mountain Grind 20
| Component group sets | Shimano Mix |
| Pedals details | Big Flats |
| Rear shock absorber | Not Available |
| Saddle seat | RMB Velo |
| Seat post extension | RMB |
Scott Spark JR 20
General Infos| Model | Spark JR 20 |
| Manufacturer | Scott |
| Year of production | 2011 |
| Current price | Check price Here ==> |
| Color choice |
-Yellow |
| Sizes |
- 20 (inches) |
Wheels And Breaking System
| Bike front tire | 20 X 2.0 (inches) K-829 |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Tektro JL510-TS Levers Lee Chi 209 P Brakes |
| Hubs for disc brakes | Rear: JY-434 Nutted Front: JY-433 Nutted |
| Rims manufacturer | 32-hole Alex C-1000 |
| Spoke nipples type | Not Available |
| Spoke wheel | 15ga. UCP |
Frame and Body Specs
| Frame materials | 6061 Alloy c |
| Frame type | Alloy |
| Handlebar construction | Junior Flat Bar |
| Handlebar extender | Optional |
| Handlebar stem details | HL-TDS-C41-8 |
| Headset size | VP-A71 |
Gearing Specifications
| Bicycle chain | Not Available |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | TH M1 |
| Crankset parts and sizes | 42/34t Teeth Lasco Double |
| Gear shift levers | Shimano SL-RS35-6 Revo Shifter |
| Rear gear set | 14 - 28 Teeth 6-speed |
Scott Spark JR 20 Fork System Data
| Derailleur (Front) | Shimano FD-M190 |
| Derailleur (Rear) | Shimano TY18 GS |
| Fork material | Not Available |
| Fork type | 50 (millimeters) Travel RST Capa T20 |
Other Specs of Scott Spark JR 20
| Component group sets | Mountain Mix |
| Pedals details | VP-570 |
| Rear shock absorber | 75 (millimeters) Travel Apro SD |
| Saddle seat | Junior Racing |
| Seat post extension | 26.8 (millimeters) Diameter Scott SP-252 |
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Useful links and guides ....
- To know more about this exacte bike, Rocky Mountain provided us with the latest version of its Grind 20 bike manual
- Find All parts, tires and accessories of Rocky Mountain Grind 20 Youth here
- Get your Scott Spark JR 20 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Scott Spark JR 20 Youth here