GT VERTIGO 1997 VS Hoffman EK1 2001 specs comparison
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GT Vertigo
General InfosModel | Vertigo |
Manufacturer | GT |
Year of production | 1997 |
Current price | Check price Here ==> |
Color choice |
- chrome-plated - green -Blue |
Sizes |
- Boys |
Sizes |
- Boys |
Wheels And Breaking System
Bike front tire | 20 X 1.75 (inches) GT LP III |
Bike rear tire | Not Available |
Bike wheel size | 20 (inches) Wheels |
Brakeset type | Aluminum Levers Dia-Compe Bulldog Brakes |
Hubs for disc brakes | Aluminum Nutted |
Rims manufacturer | 48-hole Weinmann Aluminum |
Spoke nipples type | Brass Nipples |
Spoke wheel | 2.0 (millimeters) Straight Gauge Steel |
Frame and Body Specs
Frame materials | Chromoly Main Triangle and hi-tensile Steel Rear Stays |
Frame type | TIG-welded |
Handlebar construction | GT Chromoly |
Handlebar extender | Not Available |
Handlebar stem details | GT |
Headset size | 1 (inches) Steel With SST Oryg Detangler |
Gearing Specifications
Bicycle chain | 1/2 X 1/8 (inches) KMC 410 |
Bottom bracket shell width | 68 (millimeters) Threadless |
Bottom bracket type | One Piece |
Crankset parts and sizes | 43 Teeth GT 1-piece Steel |
Gear shift levers | Not Available |
Rear gear set | 16 Teeth 1-speed |
GT Vertigo Fork System Data
Derailleur (Front) | Not Available |
Derailleur (Rear) | Not Available |
Fork material | Unicrown Crown Chromoly |
Fork type | GT |
Other Specs of GT Vertigo
Component group sets | Not Available |
Pedals details | GT Nylon Platforms |
Rear shock absorber | Not Available |
Saddle seat | GT Plastic |
Seat post extension | Chromoly GT Laid Back |
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Hoffman EK1
General InfosModel | EK1 |
Manufacturer | Hoffman |
Year of production | 2001 |
Current price | Check price Here ==> |
Color choice |
-White |
Sizes |
- Pro |
Wheels And Breaking System
Bike front tire | 20 X 1.95 (inches) Hoffman Bikes Skidmarks |
Bike rear tire | Not Available |
Bike wheel size | 20 (inches) Wheels |
Brakeset type | Dia-Compe Tech 99 Rear Levers DiaTech 996 U-Brake Rear Brakes |
Hubs for disc brakes | Rear: Taska Feecoaster Front: HoffmanBikes Highroller |
Rims manufacturer | 48-hole Hoffman BIkes (inches)High Roller (inches) Rim CP |
Spoke nipples type | Aluminum Nipples |
Spoke wheel | 2.0 (millimeters) Straight Gauge Stainless Steel |
Frame and Body Specs
Frame materials | 4130 chromoly c |
Frame type | TIG-welded |
Handlebar construction | HoffmanBikes Chocolatebar |
Handlebar extender | Optional |
Handlebar stem details | Hoffman Bikes SuperStem |
Headset size | 1 1/8 (inches) Threadless Dia-Compe Tank |
Gearing Specifications
Bicycle chain | 1/2 X 1/8 (inches) KMC 410 |
Bottom bracket shell width | Not Available |
Bottom bracket type | Sealed Three Piece |
Crankset parts and sizes | 44 Teeth Primo Powerbite 3-piece |
Gear shift levers | Not Available |
Rear gear set | 16 Teeth 1-speed |
Hoffman EK1 Fork System Data
Derailleur (Front) | Not Available |
Derailleur (Rear) | Not Available |
Fork material | 4130 chromoly c |
Fork type | Hoffman Bikes Super Fork |
Other Specs of Hoffman EK1
Component group sets | Not Available |
Pedals details | Wellgo LU-313 |
Rear shock absorber | Not Available |
Saddle seat | Hoffman Bikes Flame Seat |
Seat post extension | 25.4 (millimeters) Diameter Hoffman Bikes Super Post |
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Useful links and guides ....
- To know more about this exacte bike, GT provided us with the latest version of its Vertigo bike manual
- Find All parts, tires and accessories of GT Vertigo Freestyle here
- Get your Hoffman EK1 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Hoffman EK1 Freestyle here