GT BUMP 2009 VS Redline MX EXPERT 2011 specs comparison
GT Bump
General Infos| Model | Bump |
| Manufacturer | GT |
| Year of production | 2009 |
| Current price | Check price Here ==> |
| Color choice |
- Purple -Light Green |
| Sizes |
- 21.1 TT (inches) |
| Sizes |
- 21.1 TT (inches) |
Wheels And Breaking System
| Bike front tire | Rear: 20 X 2.10 (inches) Kenda Kiniption Front: 20 X 2.125 (inches) Kenda K-Rad |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Tektro 274A Rear Levers Tektro 907A U-brake Rear Brakes |
| Hubs for disc brakes | Rear: GT Sealed Cassette Front: GT Aluminum Sealed |
| Rims manufacturer | 32-hole and 36-hole Alienation PBR |
| Spoke nipples type | Brass |
| Spoke wheel | 14ga. Stainless |
Frame and Body Specs
| Frame materials | Chromoly Main Triangle |
| Frame type | TIG-welded |
| Handlebar construction | GT Dirt and street Cr-mo |
| Handlebar extender | Optional |
| Handlebar stem details | GT FS Design |
| Headset size | 1 1/8 (inches) Tange Seiki Fatty 22 |
Gearing Specifications
| Bicycle chain | KMC Z510 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Mid BB |
| Crankset parts and sizes | 33 Teeth GT Tubular Cr-Mo 3pc. |
| Gear shift levers | Not Available |
| Rear gear set | 12 Teeth 1-speed |
GT Bump Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown Chromoly |
| Fork type | GT Dirt and Street |
Other Specs of GT Bump
| Component group sets | BMX |
| Pedals details | GT Dirt and Street Platform |
| Rear shock absorber | Not Available |
| Saddle seat | GT Slim |
| Seat post extension | Aluminum Micro-adjust Double Bolt |
Redline MX Expert
General Infos| Model | MX Expert |
| Manufacturer | Redline |
| Year of production | 2011 |
| Current price | Check price Here ==> |
| Color choice |
-Blue |
| Sizes |
- Standard size for all |
Wheels And Breaking System
| Bike front tire | Rear: 20 X 1 3/8 (inches) Tioga PowerBlock Front: 20 X 1-3/8 (inches) Tioga PowerBlock |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | None Front and Tektro 317A Rear Levers None Front and Tektro BX-1V V-type Rear Brakes |
| Hubs for disc brakes | Rear: Redline Aluminum Flip-Flop Front: Redline Aluminum |
| Rims manufacturer | 36-hole Alex VP15F |
| Spoke nipples type | Not Available |
| Spoke wheel | Not Available |
Frame and Body Specs
| Frame materials | 6061 T6 Aluminum |
| Frame type | Brazed and welded |
| Handlebar construction | Redline 26 X 6.5 Hi Ten |
| Handlebar extender | Optional |
| Handlebar stem details | Redline Hollowpoint Aluminum 55 (millimeters) |
| Headset size | 1 1/8 (inches) VP Threadless |
Gearing Specifications
| Bicycle chain | KMC Z-410 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Loose Bearing |
| Crankset parts and sizes | Redline 38t Teeth Aluminum 3pc.170 (millimeters) |
| Gear shift levers | Not Available |
| Rear gear set | 15t FW Teeth 1-speed |
Redline MX Expert Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown Hi Ten |
| Fork type | Redline Pro |
Other Specs of Redline MX Expert
| Component group sets | BMX Mix |
| Pedals details | Redline PC Platform |
| Rear shock absorber | Not Available |
| Saddle seat | Redline MX |
| Seat post extension | 26.8 (millimeters) Diameter Alloy Micro Adjust |
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 Redline MX Expert manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Redline MX Expert BMX here