Velopedia Bicycle Archive
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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 2005 Rocky Mountain ETSX-50.
- Data limitation
Only 2003 Rocky Mountain ETSX-50 has enough published drivetrain data for gearing calculations.
Gearing comparison
Lower gears help on climbs. Higher gears suit higher speeds.
RPM
RPM = pedal turns per minute.
Gearing unavailable for this size.
Lowest0.65:1Highest4.00:1Total range618%
Estimated speed at 90 RPMLowest gearHighest gear
Uses front tire 26×2; 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
2005 Rocky Mountain Etsx-50
2003 Rocky Mountain Etsx-50
Overview
Model Year
2005
2003
Brand
Rocky Mountain
Rocky Mountain
Model
Etsx-50
Etsx-50
Bicycle Type
Mountain bike, front & rear suspension
Mountain bike, front & rear suspension
Original MSRP
Not documented
$2,880.00
Colors
Team Red, Shadow
Yellow/Anthracite
Sizes
15", 16.5", 18", 19", 20.5"
15", 16.5", 18", 19", 20.5"
Weight
—
—
Frameset
Frame Construction
TIG-welded
TIG-welded
Frame Material
Easton 7005 Custom Bi-Oval
Easton RAD
Fork
Fox Talas RL, 90 - 130mm adjustable travel
FOX Float R, 4.0" travel
Fork Material
Aluminum, single crown
Aluminum, single crown
Rear Shock
Fox Float RP3, 90" - 115" adjustable travel
Fox Float RL, 3.5" - 4.5" adjustable travel
Drivetrain
Component Group
Mountain Mix
Mountain Mix
Shifters
Shimano Deore LX Dual Control
Shimano Deore LX RapidFire
Front Derailleur
Shimano Deore LX
Shimano Deore LX, top-pull/clamp-on 31.8mm
Rear Derailleur
Shimano Deore XT
Shimano Deore XT GS
Crankset
RaceFace Evolve XC X-Type
Race Face Turbine LP, 22/32/44 teeth
Bottom Bracket
Race Face Evolve XC X-Type
Race Face Evolve XC, 113mm spindle
BB Shell Width
—
73mm English
Rear Cogs
9-speed
9-speed, 11 - 34 teeth
Chain
Shimano CN-HG53, 1/2 x 3/32"
Shimano CN-HG73, 1/2 x 3/32"
Pedals
Crank Brothers Egg Beater CX
Shimano PD-M515 SPD
Brakes
Brakes
Shimano Deore LX hydraulic dis brakes, Shimano Deore LX Dual Control levers
Shimano Deore M525 hydraulic disc brakes, Shimano Deore hydraulic levers
Cockpit & Contact Points
Headset
1 1/8" threadless FSA Orbit
1 1/8" threadless Ritchey Logic
Handlebar
Race Face Evolve XC
Race Face Prodigy
Handlebar Extensions
Not included
—
Stem
Race Face Evolve XC
Race Face Prodigy
Saddle
Selle Italia Fokus ATB
Selle Italia Custom Onda
Seatpost
Race Face Evolve XC
Race Face XY, 26.8mm diameter
Wheels & Tires
Hubs
Shimano Deore LX disc
Shimano Deore disc
Rims
Mavic XM 317, 32-hole
Mavic X223 Disc, 32-hole
Spokes
DT Swiss Competition stainless steel
DT stainless steel, 14ga. (2.0mm) double-butted
Spoke Nipples
—
Aluminum nipples
Front Tire
26 x 2.10" IRC Mythos II
26 x 2.00" Hutchinson Python Air Light
Wheel Size
26" wheels
26" wheels
Geometry · choose a size for each bicycle
Geometry size
—
Head-tube angle
—
71°
Seat-tube angle
—
73.5°
Chainstay / rear center
—
425 mm
Wheelbase
—
1072 mm
Historical specifications are presented as an archival reference. Components may have varied by market, size, or production run. Legacy reference geometry is model-level historical data whose corresponding frame size is not identified; compare those dimensions as reference values rather than size-normalized fit data.