Velopedia Bicycle Archive
Compare Bicycles
Compare published geometry, gearing and specifications for up to three bicycles.
- Frame
- RMB Custom 6061 Double Butted Alu
- Groupset
- Mountain Mix
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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 2011 Rocky Mountain Fusion and 2010 Rocky Mountain Fusion.
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 26×2.1; rear size isn’t listed.
Lowest0.69:1Highest3.82:1Total range555%
Estimated speed at 90 RPMLowest gearHighest gear
Uses front tire 26×2.1; 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
2011 Rocky Mountain Fusion
2010 Rocky Mountain Fusion
Overview
Model Year
2011
2010
Brand
Rocky Mountain
Rocky Mountain
Model
Fusion
Fusion
Bicycle Type
Mountain bike, front suspension
Mountain bike, front suspension
Colors
White/red
Silver
Sizes
15, 16.5, 18, 19, 20.5"
13.5", 15", 16.5", 18", 19", 20.5", 22"
Weight
—
—
Frameset
Frame Construction
Aluminum
TIG-welded
Frame Material
6061 Double Butted Aluminum
RMB Custom 6061 Double Butted Alu
Fork
RockShox Dart 2 TK, 100mm travel
RockShox Dart 2, 100mm travel
Fork Material
—
Single
Drivetrain
Component Group
Shimano mix
Mountain Mix
Shifters
Shimano Deore Rapid Fire
Shimano Deore RapidFire
Front Derailleur
Shimano Alivio
Shimano Deore, clamp on 31.8mm
Rear Derailleur
Shimano Deore
Shimano Deore
Crankset
Shimano M430, 44/32/22t teeth
TruVativ ISO Flow, 22/32/42 teeth
Bottom Bracket
Shimano ES25 Octalink
TruVativ Power Spline
Cassette
Shimano HG-50
Shimano HG50
Rear Cogs
9-speed, 11 - 32 teeth
9-speed, 11 - 32 teeth
Chain
Shimano HG-53
CRH024
Pedals
RMB AM flat
VP-559 flat w/pins
Brakes
Brakes
Shimano BR-M445 Hydraulic Disc brakes, Shimano BR-M445 levers
Tektro Auriga Comp hydraulic, 160mm rotor brakes, Tektro Auriga Comp levers
Cockpit & Contact Points
Headset
Cane Creek A88
FSA TH-888
Handlebar
RMB five 15 XC
RMB XC 620mm x 30mm
Handlebar Extensions
Not included
Not included
Stem
RMB L7
RMB XC 7-degree
Saddle
WTB Pure V Comp
WTB Pure V Sport
Seatpost
RMB XC, 27.2mm diameter
Alloy, 27.2mm diameter
Wheels & Tires
Hubs
Front: RMB RCC Disc, Rear: Shimano M475 disc
Wheeltech Disc Super Sealed W/Alloy QR
Rims
WTB SX24
WTB SX24
Spokes
Stainless stainless
Stainless
Front Tire
26 x 2.1'' Maxxis Crossmark
26 x 2.10" WTB Wolverine
Wheel Size
26" wheels
26" wheels
Historical specifications are presented as an archival reference. Components may have varied by market, size, or production run.