Giant BOULDER 1998 VS Caloi SIGMA 1997 specs comparison

Giant Boulder

General Infos

Model	Boulder
Manufacturer	Giant
Year of production	1998
Current price	Check price Here ==>
Color choice	- teal -Blue doppler fade
Sizes	- 14.5 (inches) - 17.5 (inches) - 19.5 (inches) - 21.5 (inches) - 23.5 (inches) - womens 14.5 (inches) - womens 17.5 (inches) - womens 19.5 (inches)
Sizes	- 14.5 (inches) - 17.5 (inches) - 19.5 (inches) - 21.5 (inches) - 23.5 (inches) - womens 14.5 (inches) - womens 17.5 (inches) - womens 19.5 (inches)

Wheels And Breaking System

Bike front tire	26 X 1.95 (inches) Kenda K-850
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Aluminum Levers Front and aluminum Linear-pull Rear Brakes
Hubs for disc brakes	Joy Tech Q and R
Rims manufacturer	36-hole Sun Rims Z-19
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Steel

Frame and Body Specs

Frame materials	Chromoly Seat Tube and hi-tensile Steel
Frame type	TIG-welded
Handlebar construction	Hsin Lung MTB S110PP
Handlebar extender	Optional
Handlebar stem details	Steel
Headset size	1 (inches) Victor VP-H67W

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) KMC UG-50
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	Victor VPB-32
Crankset parts and sizes	28/38/48 Teeth SR XR11
Gear shift levers	Grip Shift MRX-170
Rear gear set	13 - 28 Teeth 7-speed

Giant Boulder Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 31.8 (millimeters) Shimano Tourney TY-32
Derailleur (Rear)	Shimano Altus
Fork material	Unicrown Crown Hi-tensile Steel
Fork type	Giant

Other Specs of Giant Boulder

Component group sets	Mountain Mix
Pedals details	Victor VP-872N
Rear shock absorber	Not Available
Saddle seat	Giant Comfort
Seat post extension	29.2 (millimeters) Diameter Kalloy SP-200

Caloi Sigma

General Infos

Model	Sigma
Manufacturer	Caloi
Year of production	1997
Current price	Check price Here ==>
Color choice	- matte blue - polished -Matte black
Sizes	- 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches)

Wheels And Breaking System

Bike front tire	Rear: 26 X 2.10 (inches) Maxxis Gluteus Front: 26 X 2.10 (inches) Maxxis Instinct
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano STX Levers Shimano Deore LX V-Brake Brakes
Hubs for disc brakes	Shimano STX-RC
Rims manufacturer	32-hole Weinmann Zac 19
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Wheelsmith Stainless Steel

Frame and Body Specs

Frame materials	Alcoa 6061 T6 Aluminum
Frame type	TIG-welded
Handlebar construction	Aluminum
Handlebar extender	Tranz X
Handlebar stem details	Aluminum
Headset size	1 1/8 (inches) Threadless Dia-Compe Aheadset

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-IG51
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	110 (millimeters) Spindle Shimano BB-UN52
Crankset parts and sizes	22/32/42 Teeth Shimano STX
Gear shift levers	Optional
Rear gear set	11 - 28 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 Chromoly
Fork type	Caloi

Other Specs of Caloi Sigma

Component group sets	Shimano Deore LX and STX
Pedals details	Aluminum Cage With Clips & Straps
Rear shock absorber	Not Available
Saddle seat	Caloi Avante SX
Seat post extension	27.0 (millimeters) Diameter Zoom