Hoffman SD-4 1999 VS GT FLY 2004 specs comparison

Hoffman SD-4 1999 comparison online with competitors

Hoffman SD-4

General Infos
Model SD-4
Manufacturer Hoffman
Year of production 1999
Current price Check price Here ==>   
Color choice - Red
-Chrome-Plated
Sizes - Not available
Sizes - Not available

Wheels And Breaking System

Bike front tire20 X 1.95 (inches) Hoffman Bikes Skidmark
Bike rear tireNot Available
Bike wheel size20 (inches) Wheels
Brakeset type Dia-Tech MX-1 Levers
Dia-Compe 990 Brakes
Hubs for disc brakesAlloy
Rims manufacturer 48-hole
HB Highroller CP
Spoke nipples typeBrass Nipples
Spoke wheel 2.0 (millimeters) Straight Gauge
Steel

Frame and Body Specs

Frame materials4130 chromoly c
Frame typeTIG-welded
Handlebar constructionHoffman Bikes Jumping Bars
Handlebar extenderNot Available
Handlebar stem detailsHoffman Bikes Super Stem
Headset size1 1/8 (inches) Threadless Steel With SST Oryg Detangler

Gearing Specifications

Bicycle chain 1/2 X 3/32 (inches)
KMC 410
Bottom bracket shell widthNot Available
Bottom bracket typeNot Available
Crankset parts and sizes 44 Teeth
1-piece Chromoly
Gear shift leversNot Available
Rear gear setNot Available

Hoffman SD-4 Fork System Data

Derailleur (Front)Not Available
Derailleur (Rear)Not Available
Fork material Unicrown Crown
4130 Chromoly
Fork typeHoffman Bikes SD-4

Other Specs of Hoffman SD-4

Component group setsNot Available
Pedals detailsWellgo LU-313
Rear shock absorberNot Available
Saddle seatHB VL-311
Seat post extension 25.4 (millimeters) Diameter
HB 4130


GT Fly 2004 comparison online with competitors

GT Fly

General Infos
Model Fly
Manufacturer GT
Year of production 2004
Current price Check price Here ==>   
Color choice - Yellow
-Blue
Sizes - One

Wheels And Breaking System

Bike front tire Rear: 20 X 2.10 (inches) GT LP-4
Front: 20 X 2.20 (inches) GT 1453
Bike rear tireNot Available
Bike wheel size20 (inches) Wheels
Brakeset type Tektro 289A Rear Levers
Tektro 907A U-brake Rear Brakes
Hubs for disc brakes Nutted
Steel
Rims manufacturer 36-hole
Jalco
Spoke nipples typeBrass Nipples
Spoke wheel 14ga. Straight Gauge
Stainless Steel

Frame and Body Specs

Frame materialsChromoly Down Tube and hi-tensile Steel
Frame typeTIG-welded
Handlebar constructionGT BMX
Handlebar extenderNot Available
Handlebar stem detailsGT Piston
Headset size1 1/8 (inches) Threadless Victor VP-A74F With SST Oryg

Gearing Specifications

Bicycle chain 1/2 X 3/16 (inches)
KMC Z410
Bottom bracket shell widthAmerican
Bottom bracket typeNot Available
Crankset parts and sizes 39 Teeth
GT One-piece
Gear shift leversNot Available
Rear gear set 16 Teeth
1-speed

GT Fly Fork System Data

Derailleur (Front)Not Available
Derailleur (Rear)Not Available
Fork material Unicrown Crown
Chromoly
Fork typeGT

Other Specs of GT Fly

Component group setsNot Available
Pedals detailsGT BMX Design Aluminum
Rear shock absorberNot Available
Saddle seat 9 (millimeters) Rails
GT Jr Jump
Seat post extension 25.4 (millimeters) Diameter
Aluminum


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