Wiki Bicycle » Shimano » FC-M815-2
Information from: www.shimano.com.
Shimano Saint Cranksets. The dual chain ring crank is Shimano's first purpose built wide range mountain bike double featuring 36 x 22 gearing.
Technical Documents
Features
Front Derailleur Compatibility: Either FD-M815 or FD-M817.
Durable Bash guard: The resin honeycomb design is super durable.
Longer BB Adapter Cups: New longer bottom bracket cups improve durability & compatibility with aftermarket chain guides.
Wide Range Double Gearing: The dual chainring crank is a purpose built 36 x 22 wide range double crankset. Compatible with the Saint / SLX Double front derailleur.
Options: Available in 68 / 73 / 83mm shell widths.
Hollowtech II Design: Increased strength by over 200%.
Specifications
Average Weight: 1105g including BB (170mm)
BB Shell Width: 83mm
Chain Line: 54.3mm
E-type FD Compatible: no
Bottom Bracket: SM-BB80 included
Chaincase Compatible: no
Chain Guard: Bash Guard
Chainring Bolts & Nuts: aluminum (bolt), steel (nut)
Inner Chainring: aluminum
Middle Chainring: aluminum
Outer Chainring: -
Crank Arms: forged aluminum / hollow type
Crank Arm Length: 165/170/175mm
Bolt Circle Diameter: 104mm
Cahainring Sizes: 36-22T
4-Arm Chainrings: yes
Chain Compatibility: Super Narrow HG for 9-speed
Cassette Compatibility: 9-speed
Crank Construction: HOLLOWTECH II
Series: SAINT
Model Number: FC-M815-2