Spectra BLACKHILLS 1993 VS Schwinn SIERRA GS 2001 specs comparison

Spectra Blackhills 1993 comparison online with competitors

Spectra Blackhills

General Infos
Model Blackhills
Manufacturer Spectra
Year of production 1993
Current price Check price Here ==>   
Color choice -Not found
Sizes - 20
- 18WM
Sizes - 20
- 18WM

Wheels And Breaking System

Bike front tire Rear: 20 X 2.00 (inches)
Front: 20 X 2.00 (inches) Square Shoulder 20x2.0
Bike rear tireNot Available
Bike wheel size20 (inches) Wheels
Brakeset type Levers
Polygon Caliper Brakes
Hubs for disc brakesSteel
Rims manufacturer 36-hole
MTB Alloy
Spoke nipples typeNot Available
Spoke wheelNot Available

Frame and Body Specs

Frame materialsMicro Steel Alloy
Frame typeTIG-welded Steel
Handlebar constructionFlat
Handlebar extenderNot Available
Handlebar stem details80 (millimeters)
Headset sizeNot Available

Gearing Specifications

Bicycle chainNot Available
Bottom bracket shell widthNot Available
Bottom bracket typeNot Available
Crankset parts and sizes 32/40/48 Teeth
One-piece Crank
Gear shift leversShimano Thumbshifters
Rear gear set 14 - 28 Teeth
6-speed

Spectra Blackhills Fork System Data

Derailleur (Front)Shimano SIS
Derailleur (Rear)Shimano SIS
Fork materialNot Available
Fork typeUnicrown Steel

Other Specs of Spectra Blackhills

Component group setsShimano
Pedals detailsWellgo Platform
Rear shock absorberNot Available
Saddle seatViscount Gel
Seat post extensionSteel


Schwinn Sierra GS 2001 comparison online with competitors

Schwinn Sierra GS

General Infos
Model Sierra GS
Manufacturer Schwinn
Year of production 2001
Current price Check price Here ==>   
Color choice - Gloss Black and Champagne
-Deep Blue with Silver
Sizes - 15 (inches)
- 17 (inches)
- 19 (inches)
- 21 (inches)
- womens 15 (inches)
- womens 21 (inches)

Wheels And Breaking System

Bike front tire26 X 2.00 (inches) IRC Fiesterra
Bike rear tireNot Available
Bike wheel size26 (inches) Wheels
Brakeset type Tektro Linear-pull Levers
Tektro Linear-pull Brakes
Hubs for disc brakes Q and R
Rear: Formula Aluminum
Front: Formula Aluminum
Rims manufacturer 36-hole
Aluminum
Spoke nipples typeNot Available
Spoke wheelStainless Steel

Frame and Body Specs

Frame materialsAluminum
Frame typeTIG-welded
Handlebar constructionComfort Rise
Handlebar extenderOptional
Handlebar stem detailsComfort Adjustable Rise
Headset size1 1/8 (inches) Threadless Steel

Gearing Specifications

Bicycle chain1/2 X 3/32 (inches)
Bottom bracket shell widthNot Available
Bottom bracket typeNot Available
Crankset parts and sizes 28/38/48 Teeth
Shimano Tourney
Gear shift leversSRAM 4.0 Half Pipe
Rear gear set 14 - 28 Teeth
7-speed

Schwinn Sierra GS Fork System Data

Derailleur (Front)Shimano Tourney
Derailleur (Rear)SRAM 3.0
Fork material Unicrown Crown
Chromoly
Fork typeSchwinn

Other Specs of Schwinn Sierra GS

Component group setsMountain Mix
Pedals detailsPlatform
Rear shock absorberNot Available
Saddle seatSchwinn Comfort
Seat post extensionSchwinn Glide Along Suspension


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