Rotec PRO DOWNHILL 1998 VS Specialized BIGHIT GROMHIT 2009 specs comparison

Rotec Pro Downhill

General Infos

Model	Pro Downhill
Manufacturer	Rotec
Year of production	1998
Current price	Check price Here ==>
Color choice	-Black and red and yellow fade
Sizes	- Rider can adjust manually
Sizes	- Rider can adjust manually

Wheels And Breaking System

Bike front tire	26 X 2.20 (inches) Michelin Wild Gripper DH
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Magura Gustav M Levers Magura Gustav M Disc Brakes
Hubs for disc brakes	Magura Hugi
Rims manufacturer	32-hole Sun Rims Fatt Albert
Spoke nipples type	Alloy Nipples
Spoke wheel	2.0 (millimeters) Double-butted DT Stainless Steel

Frame and Body Specs

Frame materials	6061 T6 Aluminum
Frame type	TIG-welded
Handlebar construction	White Brothers Ti-Riser
Handlebar extender	Optional
Handlebar stem details	Rotec Custom
Headset size	1 1/8 (inches) Threadless Ringle Sla (millimeters)a Ja (millimeters)a

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-IG90
Bottom bracket shell width	Rotec Custom
Bottom bracket type	122 (millimeters) Spindle Rotec Sealed Bearing
Crankset parts and sizes	48 Teeth Adventure Components
Gear shift levers	Shimano XTR RapidFire SL
Rear gear set	11 - 30 Teeth 8-speed

Rotec Pro Downhill Fork System Data

Derailleur (Front)	Chain Retention Device Rotec Custom Chainguide
Derailleur (Rear)	Shimano XTR SGS
Fork material	Double Triple-clamp Crown Aluminum
Fork type	White Brothers UD 150DH

Other Specs of Rotec Pro Downhill

Component group sets	Shimano XTR
Pedals details	Shimano PD-M636 SPD
Rear shock absorber	6.5 (inches) Travel Fox Vanilla TC
Saddle seat	SDG Big Boy DH
Seat post extension	27.2 (millimeters) Diameter Ringle Moby Duece

Specialized BigHit GromHit

General Infos

Model	BigHit GromHit
Manufacturer	Specialized
Year of production	2009
Current price	Check price Here ==>
Color choice	-Gloss Green
Sizes	- Standard size for everyone

Wheels And Breaking System

Bike front tire	24 X 2.30 (inches) Specialized Roller
Bike rear tire	Not Available
Bike wheel size	24 (inches) Wheels
Brakeset type	Avid FR-5 Levers Avid BB5 With 185 (millimeters) Rotor Brakes
Hubs for disc brakes	Rear: Specialized Disc Front: Specialized Hi Lo Disc
Rims manufacturer	32-hole Specialized P-Disc
Spoke nipples type	Brass Nipples
Spoke wheel	15ga. Stainless Steel

Frame and Body Specs

Frame materials	Specialized A1 Premium Aluminum
Frame type	TIG-welded
Handlebar construction	Specialized Enduro
Handlebar extender	Optional
Handlebar stem details	Specialized Aggro
Headset size	1 1/8 (inches) Threadless

Gearing Specifications

Bicycle chain	KMC X8
Bottom bracket shell width	73 (millimeters)
Bottom bracket type	Truvativ Howitzer XR
Crankset parts and sizes	34 Teeth TruVativ Blaze
Gear shift levers	SRAM X.4-R Trigger
Rear gear set	11 - 32 Teeth 8-speed

Specialized BigHit GromHit Fork System Data

Derailleur (Front)	Chain Retention Device SBC Chain Guide
Derailleur (Rear)	SRAM X.7
Fork material	Single Crown Magnesium and aluminum and steel
Fork type	130 (millimeters) Travel RockShox Tora 318

Other Specs of Specialized BigHit GromHit

Component group sets	SRAM Mix
Pedals details	Alloy Platform
Rear shock absorber	130 (millimeters) Travel X Fusion O2R
Saddle seat	Specialized Enduro
Seat post extension	30.9 (millimeters) Diameter 6061 Butted Alloy Two-bolt