Kona STUFF JR. 2005 VS Rocky Mountain GRIND 20 2007 specs comparison
Kona Stuff Jr.
General Infos| Model | Stuff Jr. |
| Manufacturer | Kona |
| Year of production | 2005 |
| Current price | Check price Here ==> |
| Color choice |
- Matte Green -Silver |
| Sizes |
- Boys 13 (inches) |
| Sizes |
- Boys 13 (inches) |
Wheels And Breaking System
| Bike front tire | Rear: 24 X 1.00 (inches) Tioga Blue Dragon Front: 24 X 2.10 (inches) Tioga Blue Dragon |
| Bike rear tire | Not Available |
| Bike wheel size | 24 (inches) Wheels |
| Brakeset type | Avid FR-5 Levers Shimano BR-M465 Mechanica Disc Front and Shimano BR-M465 Mechanical Disc Rear Brakes |
| Hubs for disc brakes | Rear: Shimano FH-M475 Disc Front: KK Disc |
| Rims manufacturer | 32-hole Sun Rims Ditch Witch |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 14ga. Straight Gauge Stainless Steel |
Frame and Body Specs
| Frame materials | 7005 aluminum c |
| Frame type | TIG-welded |
| Handlebar construction | Kona DH |
| Handlebar extender | Optional |
| Handlebar stem details | Kona Clump |
| Headset size | 1 1/8 (inches) Threadless FSA |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) Shimano CN-IG31 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Truvativ DHLT ISIS |
| Crankset parts and sizes | 22/32 Teeth TruVativ Hussefelt DH |
| Gear shift levers | Shimano SL-MC20 |
| Rear gear set | 11 - 32 Teeth 8-speed |
Kona Stuff Jr. Fork System Data
| Derailleur (Front) | Top-pull and clamp-on 31.8 (millimeters) FD-MC21 |
| Derailleur (Rear) | Shimano Alivio |
| Fork material | Single Crown Aluminum |
| Fork type | 100 (millimeters) Travel Marzocchi Dirt Jam Comp |
Other Specs of Kona Stuff Jr.
| Component group sets | Juvenile Mix |
| Pedals details | Kona Jackshit |
| Rear shock absorber | Not Available |
| Saddle seat | Kona Dirt Jump |
| Seat post extension | Kona Double Thumb |
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) |
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 |
Useful links and guides ....
- To know more about this exacte bike, Kona provided us with the latest version of its Stuff Jr. bike manual
- Find All parts, tires and accessories of Kona Stuff Jr. Youth here
- Get your Rocky Mountain Grind 20 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Rocky Mountain Grind 20 Youth here