Schwinn SIERRA TANDEM 2006 VS GT QUATREFOIL 1993 specs comparison

Schwinn Sierra Tandem

General Infos

Model	Sierra Tandem
Manufacturer	Schwinn
Year of production	2006
Current price	🛒 View Price →
Color choice	-Dark Silver Metallic and Deep Forrest Green
Sizes	- XSW / M - 14 / 18 (inches) - MW / L - 16 / 20 (inches)
Sizes	- XSW / M - 14 / 18 (inches) - MW / L - 16 / 20 (inches)

Wheels And Breaking System

Bike front tire	26 X 1.90 (inches) Auto Pilot
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Tektro Aluminum Levers Hayes MX-2 Mechanical Disc Brakes
Hubs for disc brakes	Quando Aluminum Disc
Rims manufacturer	32-hole WTB SpeedDisc XC
Spoke nipples type	Brass Nipples
Spoke wheel	14ga. Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	N'Litened Gold Aluminum
Frame type	TIG-welded
Handlebar construction	Hi-tensile Steel
Handlebar extender	Not Available
Handlebar stem details	Aluminum Adjustable
Headset size	1 1/8 (inches) Threadless FPD

Gearing Specifications

Bicycle chain	Shimano CN-IG51
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	113 (millimeters) Spindle Truvativ Cartridge
Crankset parts and sizes	28/38/48 Teeth Truvativ 5D F
Gear shift levers	SRAM ESP 4.0
Rear gear set	11 - 32 Teeth 8-speed

Schwinn Sierra Tandem Fork System Data

Derailleur (Front)	Bottom Pull and clamp On 34.9 (millimeters) SR and Suntour FD-CR38
Derailleur (Rear)	SRAM ESP 4.0
Fork material	Single Crown Aluminum
Fork type	100 (millimeters) Travel RST Gila Plus T6.

Other Specs of Schwinn Sierra Tandem

Component group sets	Not Available
Pedals details	Nylon
Rear shock absorber	Not Available
Saddle seat	Schwinn Super Soft
Seat post extension	31.6 (millimeters) Diameter Aluminum Micro-adjust and aluminum Suspension

GT Quatrefoil

General Infos

Model	Quatrefoil
Manufacturer	GT
Year of production	1993
Current price	🛒 View Price →
Color choice	-Not found
Sizes	- 20/18 - 19/17 - 18/15

Wheels And Breaking System

Bike front tire	Cheng Shin Dual Purpose
Bike rear tire	Not Available
Bike wheel size	Not Available
Brakeset type	Levers Shimano Altus A20 Brakes
Hubs for disc brakes	Shimano Exage
Rims manufacturer	36-hole Araya TM-18
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	Tange MTB DB Chrome-moly
Frame type	TIG-welded Steel
Handlebar construction	GT Ergo With Multi-Hand Positions
Handlebar extender	Not Available
Handlebar stem details	GT Chromoly ATB
Headset size	Not Available

Gearing Specifications

Bicycle chain	DID Super Lanner
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	28/40/50 Teeth Sugino GP Tandem
Gear shift levers	Shimano Altus A10 Rapidfire Plus
Rear gear set	12 - 28 Teeth 7-speed

GT Quatrefoil Fork System Data

Derailleur (Front)	Shimano Altus A10
Derailleur (Rear)	Shimano Altus A10
Fork material	Not Available
Fork type	GT Unicrown Full Chrome-moly

Other Specs of GT Quatrefoil

Component group sets	Shimano Altus A10 Rapidfire Plus
Pedals details	ATB With Steel Cage
Rear shock absorber	Not Available
Saddle seat	GT Gel Lite
Seat post extension	GT Alloy Micro-Adjust