Eastern Bikes PROTON BIG STREET 2003 VS Hoffman SD-4 2001 specs comparison

Eastern Bikes Proton Big Street
General InfosModel | Proton Big Street |
Manufacturer | Eastern Bikes |
Year of production | 2003 |
Current price | Check price Here ==> |
Color choice | - Clear-Black |
Sizes | - Pro |
Sizes | - Pro |
Wheels And Breaking System
Bike front tire | 20 X 1.95 (inches) Kenda Kikzumbut |
Bike rear tire | Not Available |
Bike wheel size | 20 (inches) Wheels |
Brakeset type | FS-328 LeversAluminum U-brake Brakes |
Hubs for disc brakes | 14 (millimeters) AxleAluminum |
Rims manufacturer | 48-holeAluminum |
Spoke nipples type | Brass Nipples |
Spoke wheel | 14ga. Straight GaugeStainless Steel |
Frame and Body Specs
Frame materials | Chromoly and hi-tensile Steel |
Frame type | TIG-welded |
Handlebar construction | 2 piece c |
Handlebar extender | Not Available |
Handlebar stem details | Aluminum 4 Bolt |
Headset size | 1 1/8 (inches) Threadless Steel Threadless |
Gearing Specifications
Bicycle chain | 1/2 X 1/8 (inches)KMC Z410 |
Bottom bracket shell width | American |
Bottom bracket type | Not Available |
Crankset parts and sizes | 39 Teeth1-piece Steel 175 (millimeters) |
Gear shift levers | Not Available |
Rear gear set | 14 Teeth1-speed |
Eastern Bikes Proton Big Street Fork System Data
Derailleur (Front) | Not Available |
Derailleur (Rear) | Not Available |
Fork material | Unicrown CrownChromoly |
Fork type | Eastern |
Other Specs of Eastern Bikes Proton Big Street
Component group sets | Not Available |
Pedals details | Wellgo LU-313 |
Rear shock absorber | Not Available |
Saddle seat | Eastern 9 (millimeters) Rails |
Seat post extension | Aluminum |

Hoffman SD-4
General InfosModel | SD-4 |
Manufacturer | Hoffman |
Year of production | 2001 |
Current price | Check price Here ==> |
Color choice | -Red and Chrome |
Sizes | - Pro |
Wheels And Breaking System
Bike front tire | 20 X 1.95 (inches) Hoffman Bikes Skidmarks |
Bike rear tire | Not Available |
Bike wheel size | 20 (inches) Wheels |
Brakeset type | Dia-Compe MX-101 LeversTektro 990 U-brake Brakes |
Hubs for disc brakes | Keyin Aluminum |
Rims manufacturer | 48-holeHoffman Bikes HighRoller CP |
Spoke nipples type | Aluminum Nipples |
Spoke wheel | 2.0 (millimeters) Straight GaugeSteel |
Frame and Body Specs
Frame materials | 4130 chromoly c |
Frame type | TIG-welded |
Handlebar construction | Hoffman Bikes Prodigy Bar |
Handlebar extender | Optional |
Handlebar stem details | HoffmanBikes SuperStem |
Headset size | 1 1/8 (inches) Threadless YST |
Gearing Specifications
Bicycle chain | 1/2 X 1/8 (inches)KMC 410 |
Bottom bracket shell width | Not Available |
Bottom bracket type | One Piece |
Crankset parts and sizes | 44 Teeth1-piece Chromoly 175 (millimeters) |
Gear shift levers | Not Available |
Rear gear set | 16 Teeth1-speed |
Hoffman SD-4 Fork System Data
Derailleur (Front) | Not Available |
Derailleur (Rear) | Not Available |
Fork material | 4130 chromoly c |
Fork type | Hoffman Bikes Prodigy Forks |
Other Specs of Hoffman SD-4
Component group sets | Not Available |
Pedals details | Wellgo LU-313 |
Rear shock absorber | Not Available |
Saddle seat | Hoffman Bikes Logo |
Seat post extension | 25.4 (millimeters) DiameterHoffman Bikes Prodigy Post |
Useful links and guides ....
- To know more about this exacte bike, Eastern Bikes provided us with the latest version of its Proton Big Street bike manual
- Find All parts, tires and accessories of Eastern Bikes Proton Big Street Freestyle here
- Get your Hoffman SD-4 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Hoffman SD-4 Freestyle here