Rocky Mountain Bicycles.

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Altitude 90 RSL Frame

Mountain, Frames

Specification

FrameRMB FORM Carbon C12 Monocoque, Alu Seatstay / Chainstay
ForkN/A
Front TravelN/A
Rear ShockN/A
Rear Travel140mm
Head SetN/A
StemN/A
HandlebarN/A
BrakesN/A
Brake LeversN/A
ShiftersN/A
Gearing (FR)Shimano XT Direct Mount
Gearing (RR)N/A
Cranks & ChainringsN/A
Bottom BracketN/A
PedalsN/A
Hubs (FR)N/A
Hubs (RR)N/A
CassetteN/A
ChainN/A
SpokesN/A
RimsN/A
Tires (RR/FR)N/A
Seat PostN/A
SaddleN/A

Geometry

Sizesmall/ 16.5medium/ 18"large/ 19"x large/ 20.5"
Head Length
Head Angle69°69°69°69°
Seat Angle76°76°76°76°
Seat Tube length419457483521
Horiz. Toptube Length565575595615
Headtube Length98110130155
Chainstay Length429429429429
BB Drop
Wheelbase1112112311461169
Front-Centre
Standover Height693719740770
Fork Rake
Seat Tube (center-center)

FORM SmoothWall CARBON


Custom Rocky Mountain FORM C13 High Modulus SmoothWall construction. 100% designed, engineered and tested in house by our R&D team to ensure the lightest, stiffest frame and the best ride quality. In 2011, we unveiled SmoothWall construction to the world with the introduction of the Element RSL, and since then, it has won unanimous praise for its incredible light weight and superior stiffness.

Smoothwall construction is achieved by sculpting the inner surface of the frame as carefully as the outer, with the help of an inner mold, as opposed to the traditional air bladder. This results in no excess resin, fibers or filler, meaning no stress risers or extra weight.

The most important characteristic of SmoothWall technology is that it enables us to construct frames with the highest carbon layup density. SmoothWall’s super high fiber to resin ratio with maximum compression of the pre-preg carbon layers results in the lightest and stiffest construction possible.

SmoothWall also allows us to use full length (uncut) fibers, yielding a stronger frame. This all adds up to one of the most sophisticated carbon frames in the world.

Vertex RSL utilizes a precise carbon layup schedule, using multiple types of carbon weaves in specific locations to maximize stiffness and impact resistance while minimizing weight.

Element RSL/MSL
Whether you’re going for the podium at Houfalize or toughing it through the last stage of BC Bike Race, you want your race bike to be as light, stiff and efficient as possible. With Element RSL (98mm) and MSL (120mm), we’ve created two ultimate race bikes by consulting closely with our World Cup athletes and by developing technologies like SmoothWall™ carbon fiber construction. Super stiff and surprisingly rugged, Element RSL and MSL prove that a featherweight race bike can descend like a trail bike.