Rans SCREAMER GL63 1996 VS Boulder Bikes SIRIUS 2000 specs comparison

Rans Screamer GL63

General Infos

Model	Screamer GL63
Manufacturer	Rans
Year of production	1996
Current price	Check price Here ==>
Color choice	-All colors available
Sizes	- Standard size for everyone
Sizes	- Standard size for everyone

Wheels And Breaking System

Bike front tire	Rear: 26 X 1.25 (inches) Specialized Fat Boy Front: 20 X 1 3/8 (inches) Primo V Track
Bike rear tire	Not Available
Bike wheel size	Rear: 26 (inches) Wheels Front: 20 (inches)
Brakeset type	Magura Hydrostop Levers Magura Hydraulic HS22 Brakes
Hubs for disc brakes	Not Available
Rims manufacturer	36-hole Rear: Mavic 117 SUP Front: Araya 20A
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge DT Stainless Steel

Frame and Body Specs

Frame materials	4130 chromoly c
Frame type	TIG-welded Steel
Handlebar construction	Alloy
Handlebar extender	Not Available
Handlebar stem details	Alloy
Headset size	1 (inches) Specialized Steel

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Sachs SC40
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	122.5 (millimeters) Spindle Shimano BB-UN51
Crankset parts and sizes	32/44/54 Teeth Specialized Tandem
Gear shift levers	Grip Shift SRT-600
Rear gear set	12 - 28 Teeth 3-speed Internal X 7-speed

Rans Screamer GL63 Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 28.6 (millimeters) Sachs Quarz
Derailleur (Rear)	Shimano Deore XT SGS
Fork material	Unicrown Crown 4130 Chromoly
Fork type	Nobilette

Other Specs of Rans Screamer GL63

Component group sets	Shimano Deore XT
Pedals details	Optional
Rear shock absorber	Not Available
Saddle seat	Recumbant Mesh Seat
Seat post extension	Not Available

Boulder Bikes Sirius

General Infos

Model	Sirius
Manufacturer	Boulder Bikes
Year of production	2000
Current price	Check price Here ==>
Color choice	-All colors available
Sizes	- Rider can adjust manually

Wheels And Breaking System

Bike front tire	20 X 1.50 (inches)
Bike rear tire	Not Available
Bike wheel size	20 (inches) Wheels
Brakeset type	Magura Levers Magura HS 33 Brakes
Hubs for disc brakes	Rear: SRAM 3x7 Front: SRAM Plasma
Rims manufacturer	32-hole Sun Rims CR18
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge DT Stainless Steel

Frame and Body Specs

Frame materials	Butted With Replaceable Derailleur Hanger 7005 Aluminum
Frame type	TIG-welded
Handlebar construction	RANS Tilt Bar-Stem Combo
Handlebar extender	Not Available
Handlebar stem details	RANS Tilt Bar-Stem Combo
Headset size	1 (inches) Threadless Chris King NoThreadSet

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) SRAM PC-61
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	122.5 (millimeters) Spindle Shimano BB-UN72
Crankset parts and sizes	38/50/60 Teeth Sugino XD600 Tandem
Gear shift levers	SRAM Quartz
Rear gear set	11 - 30 Teeth 7-speed

Boulder Bikes Sirius Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 31.8 (millimeters) Shimano Ultegra
Derailleur (Rear)	Shimano XTR SGS
Fork material	Triple-clamp Crown Aluminum and chromoly
Fork type	1.0 (inches) Travel Ballistic 600 XL

Other Specs of Boulder Bikes Sirius

Component group sets	Recumbent Mix
Pedals details	Optional
Rear shock absorber	3.0 (inches) Travel Works Performance and Boulder Bikes Spring and Oil
Saddle seat	RANS Recumbent Seat
Seat post extension	Control Tech Control Post