GT BUMP 2011 VS Haro GROUP 1 SI MINI 1998 specs comparison
GT Bump
General Infos| Model | Bump |
| Manufacturer | GT |
| Year of production | 2011 |
| Current price | Check price Here ==> |
| Color choice |
- matte green -White |
| Sizes |
- Not available |
| Sizes |
- Not available |
Wheels And Breaking System
| Bike front tire | Rear: 20 X 2.1 (inches) Kenda Ko-Rolla Front: 20 X 2.125 (inches) Kenda K-Rad |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Unavailable Front and Tektro 273A Rear Levers Unavailable Front and Tektro FX340R Rear Brakes |
| Hubs for disc brakes | Rear: GT Alloy Front: GT Aluminum |
| Rims manufacturer | 32-hole and 36-hole Alienation PBR |
| Spoke nipples type | Brass |
| Spoke wheel | 14ga. |
Frame and Body Specs
| Frame materials | CroMo |
| Frame type | Steel |
| Handlebar construction | GT Pro Steel |
| Handlebar extender | Optional |
| Handlebar stem details | GT Freestyle Drop |
| Headset size | 1 1/8 (inches) Integrated |
Gearing Specifications
| Bicycle chain | KMC Z510 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Sealed Bearing |
| Crankset parts and sizes | 25t Teeth CroMO 3 Piece |
| Gear shift levers | Not Available |
| Rear gear set | 9 teeth c |
GT Bump Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Steel |
| Fork type | Cromo |
Other Specs of GT Bump
| Component group sets | BMX Mix |
| Pedals details | GT Dirt and Street Platform |
| Rear shock absorber | Not Available |
| Saddle seat | Pivotal Street Design |
| Seat post extension | 25.4 (millimeters) Diameter Pivotal |
Haro Group 1 Si Mini
General Infos| Model | Group 1 Si Mini |
| Manufacturer | Haro |
| Year of production | 1998 |
| Current price | Check price Here ==> |
| Color choice |
-Chrome-plated |
| Sizes |
- Mini |
Wheels And Breaking System
| Bike front tire | 20 X 1 1/8 (inches) Tioga Comp III |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Lee Chi 361A Levers Tektro Dual-pivot Caliper Brakes |
| Hubs for disc brakes | Nutted Joy Tech Aluminum |
| Rims manufacturer | 32-hole Haro RC3 |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 2.0 (millimeters) Straight Gauge HTI Stainless Steel |
Frame and Body Specs
| Frame materials | 4130 chromoly c |
| Frame type | TIG-welded |
| Handlebar construction | Fusion Mini |
| Handlebar extender | Not Available |
| Handlebar stem details | Fusion Stubbie |
| Headset size | 1 (inches) Threadless Aheadset STS |
Gearing Specifications
| Bicycle chain | 1/2 X 1/8 (inches) KMC 410 |
| Bottom bracket shell width | 68 (millimeters) English |
| Bottom bracket type | YST BB 969 |
| Crankset parts and sizes | 42 Teeth Fusion 3-piece Aluminum |
| Gear shift levers | Not Available |
| Rear gear set | 16 Teeth 1-speed |
Haro Group 1 Si Mini Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown 4130 Chromoly |
| Fork type | Haro Pro Mini |
Other Specs of Haro Group 1 Si Mini
| Component group sets | Not Available |
| Pedals details | Wellgo LU-965A |
| Rear shock absorber | Not Available |
| Saddle seat | Fusion Uni Body |
| Seat post extension | 22.2 (millimeters) Diameter Fusion Uni Body |
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 BMX here
- Get your Haro Group 1 Si Mini manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Haro Group 1 Si Mini BMX here