Rocky Mountain GRIND 2003 VS Kona UNIT 2009 specs comparison

Rocky Mountain Grind
General InfosModel | Grind |
Manufacturer | Rocky Mountain |
Year of production | 2003 |
Current price | Check price Here ==> |
Color choice | -Army Grey |
Sizes | - 15 (inches)- 16.5 (inches)- 18 (inches)- 19 (inches)- 20.5 (inches) |
Sizes | - 15 (inches)- 16.5 (inches)- 18 (inches)- 19 (inches)- 20.5 (inches) |
Wheels And Breaking System
Bike front tire | Rear: 26 X 2.50 (inches) Maxxis MobsterFront: 26 X 2.70 (inches) Maxxis Mobster |
Bike rear tire | Not Available |
Bike wheel size | 26 (inches) Wheels |
Brakeset type | Shimano Alivio LeversShimano BR-M475 Mechanical Disc Brakes |
Hubs for disc brakes | Rear: Shimano Alivio DiscFront: Shimano |
Rims manufacturer | 32-holeAlex DX-32 |
Spoke nipples type | Brass Nipples |
Spoke wheel | 15ga. Straight GaugeDT Stainless Steel |
Frame and Body Specs
Frame materials | 7005 aluminum c |
Frame type | TIG-welded |
Handlebar construction | Titec Hell Bent |
Handlebar extender | Not Available |
Handlebar stem details | Rocky Mountain Freeride |
Headset size | 1 1/8 (inches) Threadless Ritchey Logic |
Gearing Specifications
Bicycle chain | 1/2 X 3/32 (inches)Shimano CN-HG50 |
Bottom bracket shell width | 73 (millimeters) English |
Bottom bracket type | 113 (millimeters) SpindleTruVativ ISIS DH |
Crankset parts and sizes | 22/32 TeethTruVativ Hussefelt With Bashguard |
Gear shift levers | Shimano Alivio RapidFire Plus |
Rear gear set | 11 - 32 Teeth8-speed |
Rocky Mountain Grind Fork System Data
Derailleur (Front) | Top-pull and clamp-on 31.8 (millimeters)Shimano Alivio |
Derailleur (Rear) | Shimano Deore SGS |
Fork material | Single CrownAluminum and magnesium |
Fork type | 100 (millimeters) TravelMarzocchi EXR |
Other Specs of Rocky Mountain Grind
Component group sets | Mountain Mix |
Pedals details | RMB Big Flats With Pins |
Rear shock absorber | Not Available |
Saddle seat | Titec Berserker |
Seat post extension | 26.8 (millimeters) DiameterRocky Mountain |

Kona Unit
General InfosModel | Unit |
Manufacturer | Kona |
Year of production | 2009 |
Current price | Check price Here ==> |
Color choice | -Black Metallic |
Sizes | - 16 (inches)- 18 (inches)- 19 (inches)- 20 (inches)- 22 (inches) |
Wheels And Breaking System
Bike front tire | 29 X 2.10 (inches) Maxxis Ignitor |
Bike rear tire | Not Available |
Bike wheel size | 29 (inches) Wheels |
Brakeset type | Avid FR-5 LeversAvid BB 5 Mechanical Brakes |
Hubs for disc brakes | Formula Disc |
Rims manufacturer | Mavic TN 719 |
Spoke nipples type | Not Available |
Spoke wheel | 15ga. Sandvic Stainless |
Frame and Body Specs
Frame materials | Kona Chromoly Butted |
Frame type | TIG-welded |
Handlebar construction | Kona XC and BC |
Handlebar extender | Optional |
Handlebar stem details | Kona XC and BC |
Headset size | 1 1/8 (inches) TH |
Gearing Specifications
Bicycle chain | KMC Z610 |
Bottom bracket shell width | 73 (millimeters) |
Bottom bracket type | FSA Mega EXO |
Crankset parts and sizes | 32 TeethFSA V-Drive SS |
Gear shift levers | Not Available |
Rear gear set | 18 Teeth1-speed |
Kona Unit Fork System Data
Derailleur (Front) | Not Available |
Derailleur (Rear) | Not Available |
Fork material | Unicrown |
Fork type | Kona P2 29er Disc |
Other Specs of Kona Unit
Component group sets | Single Speed Mix |
Pedals details | Kona Jackshit Deluxe |
Rear shock absorber | Not Available |
Saddle seat | WTB Rocket V Comp |
Seat post extension | Kona XC and BC |
Useful links and guides ....
- To know more about this exacte bike, Rocky Mountain provided us with the latest version of its Grind bike manual
- Find All parts, tires and accessories of Rocky Mountain Grind Mountain bike here
- Get your Kona Unit manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Kona Unit Mountain bike here