Bilenky HEDGEHOG TWIN 1996 VS Burley ROCK & ROLL 2004 specs comparison

Bilenky Hedgehog Twin

General Infos

Model	Hedgehog Twin
Manufacturer	Bilenky
Year of production	1996
Current price	Check price Here ==>
Color choice	- green - light blue - orange - red -Dark blue
Sizes	- Captain 18/stoker 15 (inches) - captain 19/stoker 16 (inches) - captain 20/stoker 17 (inches) - captain 21/stoker 18 (inches) - captain 22/stoker 19 (inches) - custom (inches)
Sizes	- Captain 18/stoker 15 (inches) - captain 19/stoker 16 (inches) - captain 20/stoker 17 (inches) - captain 21/stoker 18 (inches) - captain 22/stoker 19 (inches) - custom (inches)

Wheels And Breaking System

Bike front tire	Optional
Bike rear tire	Not Available
Bike wheel size	Optional Wheels
Brakeset type	Dia-Compe SS-7 Levers Shimano XTR Brakes
Hubs for disc brakes	Not Available
Rims manufacturer	48-hole Mavic M261
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Wheelsmith Stainless Steel

Frame and Body Specs

Frame materials	Triple-butted True Temper Chromoly
Frame type	Fillet Brazed Steel
Handlebar construction	Zoom Alloy 170g
Handlebar extender	Zoom Short Stop
Handlebar stem details	Trans-X Alloy
Headset size	1 1/4 (inches) Stronglight X-16

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Sachs SCM55
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	127.5 (millimeters) Spindle Shimano BB-UN71
Crankset parts and sizes	28/44/54 Teeth Specialized Tandem
Gear shift levers	Grip Shift SRT-800 X-Ray
Rear gear set	12 - 32 Teeth 8-speed

Bilenky Hedgehog Twin Fork System Data

Derailleur (Front)	Top-pull and clamp-on 31.8 (millimeters) Shimano Deore XT
Derailleur (Rear)	Shimano Deore XT SGS
Fork material	Flat Crown Reynolds 531 Jack Taylor
Fork type	Bilenky

Other Specs of Bilenky Hedgehog Twin

Component group sets	Not Available
Pedals details	Optional
Rear shock absorber	Not Available
Saddle seat	Optional
Seat post extension	Kalloy Uno

Burley Rock & Roll

General Infos

Model	Rock & Roll
Manufacturer	Burley
Year of production	2004
Current price	Check price Here ==>
Color choice	-Retro Green
Sizes	- Large - medium - small

Wheels And Breaking System

Bike front tire	26 X 2.24 (inches) WTB MutanoRaptor
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Avid Speed Dial 7 Levers Avid Single Digit 7 Brakes
Hubs for disc brakes	White Industries Jockey
Rims manufacturer	40-hole Sun Rims Rhyno Lite
Spoke nipples type	Brass Nipples
Spoke wheel	14ga. Straight Gauge DT Stainless Steel

Frame and Body Specs

Frame materials	True Temper Verus Custom Butted
Frame type	TIG-welded
Handlebar construction	Ritchey Logic Pro 31.8/Ritchey Logic Pro
Handlebar extender	Optional
Handlebar stem details	Ritchey Logic Pro ATB 31.8
Headset size	1 1/8 (inches) Threadless Cane Creek STS

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-HG73
Bottom bracket shell width	Not Available
Bottom bracket type	TruVativ ISIS Cartridge
Crankset parts and sizes	30/42/52 Teeth TruVativ Elita ISIS
Gear shift levers	Shimano SL-R440
Rear gear set	11 - 32 Teeth 9-speed

Burley Rock & Roll Fork System Data

Derailleur (Front)	Clamp-on Shimano FD-R443
Derailleur (Rear)	Shimano Deore XT SGS
Fork material	Unicrown Crown True Temper Chromoly
Fork type	Burley

Other Specs of Burley Rock & Roll

Component group sets	Tandem Mix
Pedals details	Optional
Rear shock absorber	Not Available
Saddle seat	WTB Laser V Race and Speed She Race
Seat post extension	Ritchey Comp and RockShox MTB Suspension