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
Only 2002 Rocky Mountain Fusion has enough published drivetrain data for gearing calculations.
- Identity & price
2002 Rocky Mountain Fusion had an original MSRP $124 lower than 2004 Rocky Mountain Fusion.
Original MSRP is the published list price when new, not today’s used-bike value.
Gearing comparison
Lower gears help on climbs. Higher gears suit higher speeds.
RPM
RPM = pedal turns per minute.
Gearing unavailable for this size.
Lowest0.73:1Highest3.82:1Total range521%
Estimated speed at 90 RPMLowest gearHighest gear
Uses front tire 26×1.9; 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 Rocky Mountain Fusion
2002 Rocky Mountain Fusion
Overview
Model Year
2004
2002
Brand
Rocky Mountain
Rocky Mountain
Model
Fusion
Fusion
Bicycle Type
Mountain bike, front suspension
Mountain bike, front suspension
Original MSRP
$729.00
$605.00
Colors
—
White, Yellow
Sizes
14.5", 16", 17.5", 18.5", 19.5", 21", 22.5"
14.5", 16", 17.5", 18.5", 19.5", 21", 22.5"
Weight
—
29 lb
Frameset
Frame Construction
TIG-welded
TIG-welded
Frame Material
7005 aluminum
7005 aluminum
Fork
Rock Shox Judy TT, 100mm travel
RST Gila TL
Fork Material
Aluminum/magnesium, single crown
Aluminum, triple-clamp crown
Drivetrain
Component Group
Mountain Mix
—
Shifters
Shimano Alivio RapidFire
Shimano Acera EZ Fire Plus
Front Derailleur
Shimano Alivio
Shimano Acera, top-pull/clamp-on 31.8mm
Rear Derailleur
Shimano Deore
Shimano Deore SGS
Crankset
Shimano Alivio FC-MC20, 22/32/42 teeth
Shimano Acera FC-MC19-L, 22/32/42 teeth
Bottom Bracket
Shimano BB-UN25
Shimano BB-LP27, 110mm spindle
BB Shell Width
—
73mm English
Rear Cogs
8-speed
8-speed, 11 - 30 teeth
Chain
Shimano CN-HG50
SRAM PC-48, 1/2 X 3/32"
Pedals
Big Flats
RMB X-Sport W/clips & straps
Brakes
Brakes
Shimano Acera brakes, Shimano Alivio levers
Shimano Deore V-Brake brakes, Shimano Acera levers
Cockpit & Contact Points
Headset
1 1/8" threadless Ritchey Logic
1 1/8" threadless Ritchey Logic
Handlebar
RMB Rise XC Riser
RMB Rise
Stem
RMB XC
Rmb
Saddle
RMB Custom
RMB Custom
Seatpost
Rmb
RMB, 26.8mm diameter
Wheels & Tires
Hubs
Shimano HB-M475 Disc
Shimano Alivio
Rims
Alex Ace 19
Sun Rims CR18, 32-hole
Spokes
DT Champion stainless steel, 15ga. (1.8mm) straight gauge
DT stainless steel, 15ga. (1.8mm) straight gauge
Spoke Nipples
Brass nipples
Brass nipples
Front Tire
26 x 2.10" Maxxis High Roller
26 x 1.90" Ritchey ZED
Wheel Size
26" wheels
26" wheels
Geometry · choose a size for each bicycle
Geometry size
Head-tube angle
70.5°
70.5°
Seat-tube angle
73°
73°
Chainstay / rear center
425 mm
425 mm
Wheelbase
1055 mm
1055 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.