Velopedia Bicycle Archive
Compare Bicycles
Compare published geometry, gearing and specifications for up to three bicycles.
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1 of 2 bicycles
At a glance
Key differences
Supported differences are shown below. Data limitations are labeled separately.
- Data limitation
No geometry is recorded for 2004 Marin Rock Springs and 2005 Marin Rock Springs.
- Equipment
2005 Marin Rock Springs has 10 mm more front travel than 2004 Marin Rock Springs in the selected sizes.
Front travel is fork suspension stroke, not rear-wheel travel.
Gearing comparison
Lower gears help on climbs. Higher gears suit higher speeds.
RPM
RPM = pedal turns per minute.
Lowest0.69:1Highest4.00:1Total range582%
Estimated speed at 90 RPMLowest gearHighest gear
Uses front tire 26×2.24; rear size isn’t listed.
Lowest0.69:1Highest4.00:1Total range582%
Estimated speed at 90 RPMLowest gearHighest gear
Uses front tire 26×2.24; rear size isn’t listed.
How it works
Ratio = front teeth ÷ rear teeth. Hub gears also include the hub’s internal ratio. A 400% range means the highest ratio is four times the lowest.
Speeds are estimates from tire size and pedal cadence. Actual speeds vary.
Complete specification tableShows different published values and gaps where a bicycle lacks data. Different wording reflects source language, not necessarily different components. Swipe for more columns.
Specification
2004 Marin Rock Springs
2005 Marin Rock Springs
Overview
Model Year
2004
2005
Brand
Marin
Marin
Model
Rock Springs
Rock Springs
Bicycle Type
Mountain bike, front & rear suspension
Mountain bike, front & rear suspension
Original MSRP
$1,699.99
Not documented
Colors
Gloss Very Dark Silver
Matte Coal Gray
Sizes
15.5", 17.5", 19"
15.5", 17.5", 19"
Weight
—
—
Frameset
Frame Construction
TIG-welded
TIG-welded
Frame Material
6061 T6 aluminum
6061 T6 aluminum
Fork
Answer Manitou Black Platinum, 100-120mm adjustable
Fox Vanilla R, 130mm travel
Fork Material
Single
Aluminum/magnesium, single crown
Rear Shock
Fox Float R, 4.0"-6.0" travel
Fox Float R, 4" - 6" adjustable travel
Drivetrain
Component Group
Mountain Mix
Mountain Mix
Shifters
Shimano Deore RapidFire SL
Shimano Deore
Front Derailleur
Shimano Deore
Shimano Deore
Rear Derailleur
Shimano Deore LX
Shimano Deore
Crankset
TruVativ Five D, 22/32/44 teeth
TruVativ Five-D, 22/32/44 teeth
Bottom Bracket
Sealed cartridge
TruVativ Power Spline
Rear Cogs
9-speed, 11 - 32 teeth
9-speed, 11 - 32 teeth
Chain
1/2 x 3/32"
Shimano CN-HG53, 1/2 x 3/32"
Pedals
WTB MP310
Shimano PD-M520 SPD
Brakes
Brakes
Hayes HMX-1 Mechanical Disc brakes, Avid Speed Dial 5 levers
Hayes HFX-9 Hydraulic Disc brakes, Hayes levers
Cockpit & Contact Points
Headset
1 1/8" threadless WTB Momentum Comp ST
1 1/8" threadless WTB Comp ST
Handlebar
DH riser
Aluminum
Handlebar Extensions
Not included
Not included
Stem
FSA FR200
FSA FR-230
Saddle
WTB Speed V Comp
WTB Speed V Comp
Seatpost
Comp Alloy Micro Adjust
Aluminum micro-adjust, 30.9mm diameter
Wheels & Tires
Hubs
Pro Disc Double Sealed 32 hole
Shimano disc
Rims
Mavic XM 117 Disc, 32-hole
Mavic XM 117, 32-hole
Spokes
DT stainless steel, 15ga. (1.8mm) straight gauge
DT Swiss stainless steel, 15ga. (1.8mm) straight gauge
Spoke Nipples
—
Brass nipples
Front Tire
26 x 2.24" WTB MotoRaptor
26 x 2.24" WTB MotoRaptor
Wheel Size
26" wheels
26" wheels
Historical specifications are presented as an archival reference. Components may have varied by market, size, or production run.