GT SPEED SERIES JR. 1999 VS Diamondback GRIND 2011 specs comparison
GT Speed Series JR.
General Infos| Model | Speed Series JR. |
| Manufacturer | GT |
| Year of production | 1999 |
| Current price | Check price Here ==> |
| Color choice |
-Ball-Burnished |
| Sizes |
- Mini |
| Sizes |
- Mini |
Wheels And Breaking System
| Bike front tire | 20 X 1 1/8 (inches) GT AA Pro |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Tektro Alloy Linear-pull Rear Levers Tektro Linear-pull Rear Brakes |
| Hubs for disc brakes | GT Mohawk |
| Rims manufacturer | 28-hole Weinmann Mini Zac |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 1.8 (millimeters) Straight Gauge Wheelsmith Stainless Steel |
Frame and Body Specs
| Frame materials | 6061 T6 Aluminum |
| Frame type | Welded |
| Handlebar construction | GT Jr Aluminum |
| Handlebar extender | Not Available |
| Handlebar stem details | GT Mini Piston |
| Headset size | 1 (inches) Threadless Aheadset AL |
Gearing Specifications
| Bicycle chain | 1/2 X 1/8 (inches) |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Cartridge |
| Crankset parts and sizes | 42 Teeth GT 3-piece Aluminum |
| Gear shift levers | Not Available |
| Rear gear set | 16 Teeth 1-speed |
GT Speed Series JR. Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown Reynolds 531 |
| Fork type | GT |
Other Specs of GT Speed Series JR.
| Component group sets | Not Available |
| Pedals details | Victor VP-104 Clipless |
| Rear shock absorber | Not Available |
| Saddle seat | Uni Mini |
| Seat post extension | Aluminum |
Diamondback Grind
General Infos| Model | Grind |
| Manufacturer | Diamondback |
| Year of production | 2011 |
| Current price | Check price Here ==> |
| Color choice |
- white -Blue |
| Sizes |
- Not available |
Wheels And Breaking System
| Bike front tire | 20 X 2.1 (inches) DB Cellblock |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Tektro 2 Finger Levers Tektro 907 U-brake Brakes |
| Hubs for disc brakes | Rear: Steel Shell With 14 (millimeters) Axle Front: Steel Shell With 3/8 (inches) Axle |
| Rims manufacturer | 48-hole |
| Spoke nipples type | Not Available |
| Spoke wheel | 14ga. |
Frame and Body Specs
| Frame materials | Hi-tensile Steel |
| Frame type | Steel |
| Handlebar construction | Hi-Ten 2-piece |
| Handlebar extender | Optional |
| Handlebar stem details | Alloy 4-bolt |
| Headset size | 1 1/8 (inches) FSA Threadless |
Gearing Specifications
| Bicycle chain | 1/2 X 1/8 (inches) KMC Z410 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Loose Ball |
| Crankset parts and sizes | Steel One Piece |
| Gear shift levers | Not Available |
| Rear gear set | 16 Teeth 1-speed |
Diamondback Grind Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Steel |
| Fork type | Hi Ten |
Other Specs of Diamondback Grind
| Component group sets | BMX Mix |
| Pedals details | DB Sound Plastic With Chromo Axels |
| Rear shock absorber | Not Available |
| Saddle seat | DB Darin Read Signature Plastic Seat |
| Seat post extension | 25.4 (millimeters) Diameter Steel Pillar |
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Useful links and guides ....
- To know more about this exacte bike, GT provided us with the latest version of its Speed Series JR. bike manual
- Find All parts, tires and accessories of GT Speed Series JR. BMX here
- Get your Diamondback Grind manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Diamondback Grind BMX here