GT BUMP 2011 VS Diamondback REACTOR JR. 1997 specs comparison
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➜ GT Bump price
➜ Diamondback Reactor Jr. price
GT Bump
General Infos| Model | Bump |
| Manufacturer | GT |
| Year of production | 2011 |
| Current price | 🛒 View Price → |
| 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-RollaFront: 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 LeversUnavailable Front and Tektro FX340R Rear Brakes |
| Hubs for disc brakes | Rear: GT AlloyFront: GT Aluminum |
| Rims manufacturer | 32-hole and 36-holeAlienation 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 TeethCroMO 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) DiameterPivotal |
Diamondback Reactor Jr.
General Infos| Model | Reactor Jr. |
| Manufacturer | Diamondback |
| Year of production | 1997 |
| Current price | 🛒 View Price → |
| Color choice | -Brushed |
| Sizes | - Boys 8.5 (inches) |
Wheels And Breaking System
| Bike front tire | 20 X 1 3/8 (inches) Tioga Comp III |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Dia-Compe MX-101 LeversChang Star Brakes |
| Hubs for disc brakes | NuttedKing Kong Aluminum |
| Rims manufacturer | 32-holeAlex Aluminum |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 2.0 (millimeters) Straight GaugeChung Nan Stainless Steel |
Frame and Body Specs
| Frame materials | 7005 aluminum c |
| Frame type | TIG-welded |
| Handlebar construction | Kalloy Aluminum |
| Handlebar extender | Not Available |
| Handlebar stem details | Hsin Lung |
| Headset size | 1 (inches) YST |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches)KMC HP-20 |
| Bottom bracket shell width | 68 (millimeters) Threadless |
| Bottom bracket type | 117.5 (millimeters) SpindleYST BB 611 |
| Crankset parts and sizes | 43 TeethDotek 3-piece |
| Gear shift levers | Not Available |
| Rear gear set | 16 Teeth1-speed |
Diamondback Reactor Jr. Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown CrownChromoly |
| Fork type | Akisu |
Other Specs of Diamondback Reactor Jr.
| Component group sets | Not Available |
| Pedals details | Aluminum |
| Rear shock absorber | Not Available |
| Saddle seat | Velo VL-208 |
| Seat post extension | 22.2 (millimeters) DiameterAluminum |
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 Diamondback Reactor Jr. manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Diamondback Reactor Jr. BMX here