Rocky Mountain HAMMER 2003 VS Trek 820 2002 specs comparison

Rocky Mountain Hammer

General Infos

Model	Hammer
Manufacturer	Rocky Mountain
Year of production	2003
Current price	Check price Here ==>
Color choice	-Flat Anthracite
Sizes	- 14.5 (inches) - 16 (inches) - 17.5 (inches) - 18.5 (inches) - 19.5 (inches) - 21 (inches) - 22.5 (inches)
Sizes	- 14.5 (inches) - 16 (inches) - 17.5 (inches) - 18.5 (inches) - 19.5 (inches) - 21 (inches) - 22.5 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.00 (inches) Hutchinson Python Air Light
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	Shimano Deore Disc
Rims manufacturer	32-hole Mavic X221
Spoke nipples type	Brass Nipples
Spoke wheel	15ga. Straight Gauge DT Stainless Steel

Frame and Body Specs

Frame materials	Reynolds 725
Frame type	TIG-welded
Handlebar construction	Race Face Prodigy
Handlebar extender	Not Available
Handlebar stem details	Race Face Prodigy
Headset size	1 1/8 (inches) Threadless Ritchey Logic

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-HG73
Bottom bracket shell width	73 (millimeters) English
Bottom bracket type	113 (millimeters) Spindle Race Face Taperlock ISIS
Crankset parts and sizes	22/32/44 Teeth Race Face Prodigy XC
Gear shift levers	Shimano LX RapidFire SL
Rear gear set	11 - 34 Teeth 9-speed

Rocky Mountain Hammer Fork System Data

Derailleur (Front)	Top-pull and clamp-on 31.8 (millimeters) Shimano Deore LX
Derailleur (Rear)	Shimano Deore XT GS
Fork material	Single Crown Aluminum and magnesium
Fork type	80 (millimeters) Travel Marzocchi MX Pro Air

Other Specs of Rocky Mountain Hammer

Component group sets	Mountain Mix
Pedals details	Shimano PD-M515 SPD
Rear shock absorber	Not Available
Saddle seat	Selle Italia Onda Custom
Seat post extension	26.8 (millimeters) Diameter RMB 3D Lite

Trek 820

General Infos

Model	820
Manufacturer	Trek
Year of production	2002
Current price	Check price Here ==>
Color choice	- Dark Silver and Silver -Dark Blue
Sizes	- 13 (inches) - 16.5 (inches) - 18 (inches) - 19.5 (inches) - 21 (inches) - 22.5 (inches) - womens 17 (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	Matrix 550
Spoke nipples type	Not Available
Spoke wheel	14ga. Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	Chromoly Seat Tube and hi-tensile Steel
Frame type	TIG-welded
Handlebar construction	Hi-tensile Steel
Handlebar extender	Optional
Handlebar stem details	Aluminum Threadless
Headset size	1 1/8 (inches) Aheadset

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches)
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	28/38/48 Teeth Sun Race FC-M35
Gear shift levers	Shimano 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 Triple-clamp
Fork type	2.5 (inches) Travel RST Capa-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