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Rocky Mountain FUSION (2012)


Product Category
Brand Rocky Mountain
Size13", 15", 16.5", 18", 19", 20.5", 22"
ColorSilver / Red


Bottom bracketShimano Deore Hollowtech
Brake leversTektro Auriga Comp
BrakesShimano BR-M446 Hydraulic Disc 160mm
CassetteShimano HG30 11-32T 9spd
CranksetShimano Deore 170-175mm 44/32/22T 9spd
When we first started building bikes it quickly became apparent that traditional frame geometry wasn't going to cut it on the steep descents and tight turning singletrack of southern British Columbia. To help tame this rugged landscape we developed ST3 Geometry - or Sloping Top Tube Technology. A sloping top tube means increased frame stiffness and strength, and when things aren't going so well, more stand over height for crucial dismounting ease.

The frame layout creates a compact front end, giving increased agility in tight turning singletrack while providing increased stiffness for greater control in all conditions. It's also bomber construction: with a greater separation between the top tube/seat tube and seat tube/seat stay welds, frame stress is distributed over a larger area of the seat tube. Originated by Rocky Mountain and copied by others, ST3 delivers a better handling, stronger frame - the ride of a lifetime.
Fork typeRockShox XC30 TK
Frame typeRMB 6061 Series Custom Hydroformed Alloy. Threaded BB. ZeroStack 1-1/8" Headtube. Rack and Fender Mounts
Front derailleurShimano Deore 31.8mm
HeadsetCane Creek Five Series: ZS44mm
Hub frontShimano RM35 Disc
Hub rearShimano RM35 Disc
PedalsRMB Flats Alloy
Rear derailleurShimano Deore
Recommended forXC riding
Rims typeAlex ACE17
SaddleSDG Bel Air RL
ShiftersShimano Deore Rapid Fire 9spd
StemRMB L7 7¡ x 60-110mm
TiresMaxxis Crossmark 2.1"
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