Mirraco UNDERBOSS 2008 VS Fit Bike Co. PRK 2 2009 specs comparison
Mirraco UnderBoss
General Infos| Model | UnderBoss |
| Manufacturer | Mirraco |
| Year of production | 2008 |
| Current price | Check price Here ==> |
| Color choice |
- Deep Blue -Steel Gray |
| Sizes |
- Standard size for everyone |
| Sizes |
- Standard size for everyone |
Wheels And Breaking System
| Bike front tire | Rear: 20 X 1.95 (inches) CST Dirt Front: 20 X 2.125 (inches) CST Dirt |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Tektro 289 Rear Levers Tektro U-brake Rear Brakes |
| Hubs for disc brakes | Rear: Coaster Brake Front: 3/8 (inches) Axle |
| Rims manufacturer | 36-hole Alex C-303 |
| Spoke nipples type | Not Available |
| Spoke wheel | 14ga. |
Frame and Body Specs
| Frame materials | Chromoly |
| Frame type | TIG-welded |
| Handlebar construction | Mirraco 2-piece |
| Handlebar extender | Optional |
| Handlebar stem details | M3 Alloy |
| Headset size | 1 1/8 (inches) VP A-71 |
Gearing Specifications
| Bicycle chain | KMC Z410 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | American |
| Crankset parts and sizes | 38 Teeth 152 (millimeters) 1-piece |
| Gear shift levers | Not Available |
| Rear gear set | 16 Teeth 1-speed |
Mirraco UnderBoss Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown Chromoly |
| Fork type | Mirraco |
Other Specs of Mirraco UnderBoss
| Component group sets | BMX |
| Pedals details | Wellgo Resin |
| Rear shock absorber | Not Available |
| Saddle seat | M3 8 (millimeters) Rails |
| Seat post extension | 25.4 (millimeters) Diameter Steel |
Fit Bike Co. PRK 2
General Infos| Model | PRK 2 |
| Manufacturer | Fit Bike Co. |
| Year of production | 2009 |
| Current price | Check price Here ==> |
| Color choice |
- Bright Blue -Clear |
| Sizes |
- Not available |
Wheels And Breaking System
| Bike front tire | Rear: 20 X 1.95 (inches) Fit Front: 20 X 2.10 (inches) Fit |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Tektro Rear Levers Tektro U-brake Rear Brakes |
| Hubs for disc brakes | Rear: Alloy Sealed Cassette 14 (millimeters) Axle Front: Alloy Sealed 14 (millimeters) Axle |
| Rims manufacturer | 36-hole Alienation PBR Blue ANO and Black |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 14ga. |
Frame and Body Specs
| Frame materials | 4130 Chromoly and 1020 Hi Ten |
| Frame type | TIG-welded |
| Handlebar construction | Fit 7.75 Bar |
| Handlebar extender | Optional |
| Handlebar stem details | Front Load Alloy |
| Headset size | 1 1/8 (inches) Threadless FSA Impact |
Gearing Specifications
| Bicycle chain | 1/2 X 1/8 (inches) KMC Z410 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Sealed Bearing Mid BB |
| Crankset parts and sizes | 25 Teeth 3-Piece Tubular Chromoly 175 (millimeters) |
| Gear shift levers | Not Available |
| Rear gear set | 9 Teeth 1-speed |
Fit Bike Co. PRK 2 Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown 4130 Chromoly |
| Fork type | Fit Bike Co. |
Other Specs of Fit Bike Co. PRK 2
| Component group sets | BMX |
| Pedals details | Alloy Platform |
| Rear shock absorber | Not Available |
| Saddle seat | Short Jump |
| Seat post extension | 25.4 (millimeters) Diameter Steel Micro-adjust |
Useful links and guides ....
- To know more about this exacte bike, Mirraco provided us with the latest version of its UnderBoss bike manual
- Find All parts, tires and accessories of Mirraco UnderBoss BMX here
- Get your Fit Bike Co. PRK 2 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Fit Bike Co. PRK 2 BMX here