GT BUMP 1999 VS Hoffman Bikes RHYTHM 16 2006 specs comparison
GT Bump
General Infos| Model | Bump |
| Manufacturer | GT |
| Year of production | 1999 |
| Current price | Check price Here ==> |
| Color choice |
- Khaki -Atomic Blue |
| Sizes |
- Not available |
| Sizes |
- Not available |
Wheels And Breaking System
| Bike front tire | Rear: 20 X 1.75 (inches) Powerlite Retro-Tread Front: 20 X 2.125 (inches) Powerlite Retro-Tread |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Dia-Compe MX-97 Rear Levers Dia-Compe 990 Rear Brakes |
| Hubs for disc brakes | GT Mohawk |
| Rims manufacturer | 48-hole Weinmann ZAC-X |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 2.0 (millimeters) Straight Gauge Steel |
Frame and Body Specs
| Frame materials | Chromoly |
| Frame type | Welded |
| Handlebar construction | GT |
| Handlebar extender | Not Available |
| Handlebar stem details | GT Piston |
| Headset size | 1 1/8 (inches) Threadless Aheadset SX-1 |
Gearing Specifications
| Bicycle chain | 1/2 X 1/8 (inches) |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | One Piece |
| Crankset parts and sizes | 44 Teeth GT 1-piece Chromoly |
| Gear shift levers | Not Available |
| Rear gear set | 16 Teeth 1-speed |
GT Bump Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Oversize Unicrown Crown Chromoly |
| Fork type | GT |
Other Specs of GT Bump
| Component group sets | Not Available |
| Pedals details | GT Aluminum Platform |
| Rear shock absorber | Not Available |
| Saddle seat | GT |
| Seat post extension | 31.8 (millimeters) Diameter GT Chromoly Micro-adjust |
Hoffman Bikes Rhythm 16
General Infos| Model | Rhythm 16 |
| Manufacturer | Hoffman Bikes |
| Year of production | 2006 |
| Current price | Check price Here ==> |
| Color choice |
- Bee Yellow - EBE Gray -Black |
| Sizes |
- 16 wheel (inches) |
Wheels And Breaking System
| Bike front tire | 16 X 1.95 (inches) Hoffman Skid Mark |
| Bike rear tire | Not Available |
| Bike wheel size | 16 (inches) Wheels |
| Brakeset type | Tektro 289A Rear Levers Tektro 907A U-brake Rear Brakes |
| Hubs for disc brakes | 14 (millimeters) Axle Aluminum |
| Rims manufacturer | 36-hole Jalco Aluminum |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 14ga. Straight Gauge Stainless Steel |
Frame and Body Specs
| Frame materials | Hi-tensile Steel |
| Frame type | TIG-welded |
| Handlebar construction | Hoffman Mini 2-piece |
| Handlebar extender | Not Available |
| Handlebar stem details | Block Stem |
| Headset size | 1 1/8 (inches) Threadless Tien Hsin TH-888 |
Gearing Specifications
| Bicycle chain | KMC Z410 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Loose Ball |
| Crankset parts and sizes | 36 Teeth 3-piece Chromoly |
| Gear shift levers | Not Available |
| Rear gear set | 16 Teeth 1-speed |
Hoffman Bikes Rhythm 16 Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown |
| Fork type | Hoffman |
Other Specs of Hoffman Bikes Rhythm 16
| Component group sets | Not Available |
| Pedals details | Wellgo LU-313 |
| Rear shock absorber | Not Available |
| Saddle seat | Hoffman Stencil |
| Seat post extension | 25.4 (millimeters) Diameter Steel |
Useful links and guides ....
- To know more about this exacte bike, GT provided us with the latest version of its Bump bike manual
- Find All parts, tires and accessories of GT Bump Freestyle here
- Get your Hoffman Bikes Rhythm 16 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Hoffman Bikes Rhythm 16 Freestyle here