Hoffman SD-4 1999 VS Eastern Bikes PROTON BIG STREET 2001 specs comparison
Hoffman SD-4
General Infos| Model | SD-4 |
| Manufacturer | Hoffman |
| Year of production | 1999 |
| Current price | Check price Here ==> |
| Color choice |
- Red -Chrome-Plated |
| Sizes |
- Not available |
| Sizes |
- Not available |
Wheels And Breaking System
| Bike front tire | 20 X 1.95 (inches) Hoffman Bikes Skidmark |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Dia-Tech MX-1 Levers Dia-Compe 990 Brakes |
| Hubs for disc brakes | Alloy |
| Rims manufacturer | 48-hole HB Highroller CP |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 2.0 (millimeters) Straight Gauge Steel |
Frame and Body Specs
| Frame materials | 4130 chromoly c |
| Frame type | TIG-welded |
| Handlebar construction | Hoffman Bikes Jumping Bars |
| Handlebar extender | Not Available |
| Handlebar stem details | Hoffman Bikes Super Stem |
| Headset size | 1 1/8 (inches) Threadless Steel With SST Oryg Detangler |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) KMC 410 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Not Available |
| Crankset parts and sizes | 44 Teeth 1-piece Chromoly |
| Gear shift levers | Not Available |
| Rear gear set | Not Available |
Hoffman SD-4 Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown 4130 Chromoly |
| Fork type | Hoffman Bikes SD-4 |
Other Specs of Hoffman SD-4
| Component group sets | Not Available |
| Pedals details | Wellgo LU-313 |
| Rear shock absorber | Not Available |
| Saddle seat | HB VL-311 |
| Seat post extension | 25.4 (millimeters) Diameter HB 4130 |
Eastern Bikes Proton Big Street
General Infos| Model | Proton Big Street |
| Manufacturer | Eastern Bikes |
| Year of production | 2001 |
| Current price | Check price Here ==> |
| Color choice |
-Red |
| Sizes |
- Pro |
Wheels And Breaking System
| Bike front tire | 20 X 2.10 (inches) Kenda |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Tektro 287A Rear Levers Tektro 906A U-brake Rear Brakes |
| Hubs for disc brakes | Eastern Sealed Bearing |
| Rims manufacturer | 48-hole Double Wall Aluminum |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 2.0 (millimeters) Straight Gauge Stainless Steel |
Frame and Body Specs
| Frame materials | Hi-tensile Steel |
| Frame type | TIG-welded |
| Handlebar construction | Chromoly 2-Piece |
| Handlebar extender | Optional |
| Handlebar stem details | Aluminum 4 Bolt |
| Headset size | 1 1/8 (inches) Steel With SST Oryg Detangler |
Gearing Specifications
| Bicycle chain | Not Available |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Sealed Three Piece |
| Crankset parts and sizes | 44 Teeth 1-piece Chromoly |
| Gear shift levers | Not Available |
| Rear gear set | 1-speed |
Eastern Bikes Proton Big Street Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown Hi-tensile Steel |
| Fork type | Eastern Bikes |
Other Specs of Eastern Bikes Proton Big Street
| Component group sets | Not Available |
| Pedals details | Aluminum Platform |
| Rear shock absorber | Not Available |
| Saddle seat | Cionelli 911 |
| Seat post extension | Chromoly Micro-adjust |
Useful links and guides ....
- To know more about this exacte bike, Hoffman provided us with the latest version of its SD-4 bike manual
- Find All parts, tires and accessories of Hoffman SD-4 Freestyle here
- Get your Eastern Bikes Proton Big Street manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Eastern Bikes Proton Big Street Freestyle here