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.
- Identity & price
These bicycles are categorized differently: 2011 Rocky Mountain Edge 20 is Kids; 2014 Rocky Mountain Edge 20 is Mountain.
- Data limitation
No geometry is recorded for 2011 Rocky Mountain Edge 20 and 2014 Rocky Mountain Edge 20.
- Gearing
2011 Rocky Mountain Edge 20 has a 39% lower climbing ratio than 2014 Rocky Mountain Edge 20.
A lower ratio gives more mechanical advantage; rear-wheel rollout determines distance per crank turn.
Gearing comparison
Lower gears help on climbs. Higher gears suit higher speeds.
RPM
RPM = pedal turns per minute.
Lowest0.79:1Highest3.00:1Total range382%
Estimated speed at 90 RPMLowest gearHighest gear
Uses front tire 20×1.95; rear size isn’t listed.
Lowest1.29:1Highest2.57:1Total range200%
Speed unavailable: wheel or tire size is missing or unclear.
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
2011 Rocky Mountain Edge 20
2014 Rocky Mountain Edge 20
Overview
Model Year
2011
2014
Brand
Rocky Mountain
Rocky Mountain
Model
Edge 20
Edge 20
Bicycle Type
Juvenile mountain bike, suspension
Mountain Hardtail
Colors
Blue/red
Blue, Pink
Sizes
11"
11"
Weight
—
—
Frameset
Frame Construction
Aluminum
—
Frame Material
6061 aluminum
Rocky Mountain Aluminum
Fork
Suntour M3010
SR Suntour M3010 AL
Fork Material
Aluminum
—
Drivetrain
Component Group
Mountain Mix
—
Shifters
Shimano Revo twist
Shimano Revo Twist
Front Derailleur
Shimano FD-M190
—
Rear Derailleur
Shimano Altus
Shimano TZ-50
Crankset
CWI Alloy, 42/32/22t teeth
Alloy 36t
Bottom Bracket
VP BC55P Cartridge
Square Taper
Cassette
Shimano Tourney
Shimano Tourney 14x28t
Rear Cogs
6-speed, 14 - 28 teeth
1x6 Speeds
Chain
KMC Z-50
KMC Z50
Pedals
VP 570
nylon platform
Brakes
Brakes
ProMax TX-122 Alloy V-Brake brakes, Shimano EF51 levers
Linear Pull
Cockpit & Contact Points
Headset
Cane Creek A88
1 1/8" Threadless
Handlebar
RMB XC
Rocky Mountain XC
Handlebar Extensions
Not included
—
Stem
RMB XC7
Rocky Mountain
Saddle
RMB Jr.
Rocky Mountain Jr
Seatpost
RMB, 27.2mm diameter
Rocky Mountain Alloy
Wheels & Tires
Hubs
RMB Alloy Disc w/QR
—
Rims
Alex Z-1000
—
Spokes
Upc
—
Front Tire
20 x 1.95" Kenda MTB
Kenda MTB 20x1.95
Wheel Size
20" wheels
—
Historical specifications are presented as an archival reference. Components may have varied by market, size, or production run.