Trek 820 2003 VS Caloi SIGMA 1996 specs comparison

Trek 820

General Infos

Model	820
Manufacturer	Trek
Year of production	2003
Current price	Check price Here ==>
Color choice	- Black Chrome - Metallic Purple -Baja Blue and Shine Silver
Sizes	- 13 (inches) - 15.5 (inches) - 17.5 (inches) - 19.5 (inches) - 21.5 (inches)
Sizes	- 13 (inches) - 15.5 (inches) - 17.5 (inches) - 19.5 (inches) - 21.5 (inches)

Wheels And Breaking System

Bike front tire	26 X 1.95 (inches) Bontrager Connection
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano EF-29 Levers Aluminum Linear-pull Brakes
Hubs for disc brakes	Q and R Aluminum
Rims manufacturer	32-hole Matrix 550
Spoke nipples type	Brass Nipples
Spoke wheel	14ga. Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	Hi-tensile Steel
Frame type	TIG-welded
Handlebar construction	1.25 (inches) Rise Aluminum
Handlebar extender	Optional
Handlebar stem details	Aluminum Threadless
Headset size	1 1/8 (inches) Threadless Aheadset

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Union 600
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	28/38/48 Teeth Suntour XCC-100
Gear shift levers	Shimano Altus EF-29
Rear gear set	13 - 30 Teeth 7-speed

Trek 820 Fork System Data

Derailleur (Front)	Shimano C051
Derailleur (Rear)	Shimano Altus
Fork material	Single Crown Aluminum
Fork type	63 (millimeters) Travel RST 191 CL

Other Specs of Trek 820

Component group sets	Mountain Mix
Pedals details	Nylon Platform
Rear shock absorber	Not Available
Saddle seat	Trek ATB
Seat post extension	Aluminum Micro-adjust

Caloi Sigma

General Infos

Model	Sigma
Manufacturer	Caloi
Year of production	1996
Current price	Check price Here ==>
Color choice	- dark blue - polished - purple - red -Black
Sizes	- 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches)

Wheels And Breaking System

Bike front tire	Rear: 26 X 2.10 (inches) Kenda K-838 Front: 26 X 2.10 (inches) Kenda K-837
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Dia-Compe PC-7 Levers Shimano STX M-System Brakes
Hubs for disc brakes	Not Available
Rims manufacturer	32-hole Mavic 221
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Union Stainless Steel

Frame and Body Specs

Frame materials	6061 T6 Aluminum
Frame type	Welded Aluminum
Handlebar construction	Caloi Alloy
Handlebar extender	Optional
Handlebar stem details	Caloi Chromoly
Headset size	1 1/8 (inches) Threadless Tange Ahead

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-IG70
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	110 (millimeters) Spindle Shimano BB-UN52
Crankset parts and sizes	22/32/44 Teeth Shimano STX
Gear shift levers	Grip Shift SRT-600
Rear gear set	13 - 32 Teeth 8-speed

Caloi Sigma Fork System Data

Derailleur (Front)	Top-pull and clamp-on 31.8 (millimeters) Shimano STX
Derailleur (Rear)	Shimano Deore LX SGS
Fork material	Unicrown Crown 4130 Chromoly
Fork type	Caloi

Other Specs of Caloi Sigma

Component group sets	Shimano Deore LX and STX
Pedals details	Xerama SP-2552
Rear shock absorber	Not Available
Saddle seat	Caloi
Seat post extension	27.0 (millimeters) Diameter Caloi Micro-adjust Alloy