Rocky Mountain GRIND 2003 VS Marin BOLINAS RIDGE STEP-THRU 2010 specs comparison

Rocky Mountain Grind

General Infos

Model	Grind
Manufacturer	Rocky Mountain
Year of production	2003
Current price	Check price Here ==>
Color choice	-Army Grey
Sizes	- 15 (inches) - 16.5 (inches) - 18 (inches) - 19 (inches) - 20.5 (inches)
Sizes	- 15 (inches) - 16.5 (inches) - 18 (inches) - 19 (inches) - 20.5 (inches)

Wheels And Breaking System

Bike front tire	Rear: 26 X 2.50 (inches) Maxxis Mobster Front: 26 X 2.70 (inches) Maxxis Mobster
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano Alivio Levers Shimano BR-M475 Mechanical Disc Brakes
Hubs for disc brakes	Rear: Shimano Alivio Disc Front: Shimano
Rims manufacturer	32-hole Alex DX-32
Spoke nipples type	Brass Nipples
Spoke wheel	15ga. Straight Gauge DT Stainless Steel

Frame and Body Specs

Frame materials	7005 aluminum c
Frame type	TIG-welded
Handlebar construction	Titec Hell Bent
Handlebar extender	Not Available
Handlebar stem details	Rocky Mountain Freeride
Headset size	1 1/8 (inches) Threadless Ritchey Logic

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-HG50
Bottom bracket shell width	73 (millimeters) English
Bottom bracket type	113 (millimeters) Spindle TruVativ ISIS DH
Crankset parts and sizes	22/32 Teeth TruVativ Hussefelt With Bashguard
Gear shift levers	Shimano Alivio RapidFire Plus
Rear gear set	11 - 32 Teeth 8-speed

Rocky Mountain Grind Fork System Data

Derailleur (Front)	Top-pull and clamp-on 31.8 (millimeters) Shimano Alivio
Derailleur (Rear)	Shimano Deore SGS
Fork material	Single Crown Aluminum and magnesium
Fork type	100 (millimeters) Travel Marzocchi EXR

Other Specs of Rocky Mountain Grind

Component group sets	Mountain Mix
Pedals details	RMB Big Flats With Pins
Rear shock absorber	Not Available
Saddle seat	Titec Berserker
Seat post extension	26.8 (millimeters) Diameter Rocky Mountain

Marin Bolinas Ridge Step-Thru

General Infos

Model	Bolinas Ridge Step-Thru
Manufacturer	Marin
Year of production	2010
Current price	Check price Here ==>
Color choice	-Green Mist
Sizes	- 15 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.10 (inches) Kenda Koyote
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Pro 2 Finger Cold Forged Levers Forged Alloy Linear Pull Brakes
Hubs for disc brakes	Alloy Double Sealed QR
Rims manufacturer	32-hole Alex CA-20
Spoke nipples type	Not Available
Spoke wheel	15ga. WTB Stainless

Frame and Body Specs

Frame materials	6061 Double Butted Aluminum
Frame type	TIG-welded
Handlebar construction	Double Butted 6061 Alloy OS Riser
Handlebar extender	Optional
Handlebar stem details	Forged Alloy
Headset size	1 1/8 (inches) Threadless TH-888

Gearing Specifications

Bicycle chain	HG40
Bottom bracket shell width	Not Available
Bottom bracket type	Truvativ Sealed Cartridge
Crankset parts and sizes	22/32/42 Teeth TruVativ X-Flow 3.0
Gear shift levers	Shimano Acera Rapidfire
Rear gear set	11 - 34 Teeth 8-speed

Marin Bolinas Ridge Step-Thru Fork System Data

Derailleur (Front)	Shimano Altus
Derailleur (Rear)	Shimano Acera
Fork material	Single
Fork type	100 (millimeters) Travel Spinner 300

Other Specs of Marin Bolinas Ridge Step-Thru

Component group sets	Mountain Mix
Pedals details	Composite
Rear shock absorber	Not Available
Saddle seat	Marin WFG High Pad Mountain
Seat post extension	27.2 (millimeters) Diameter 350 (millimeters) Alloy Micro Adjust