This Shimano SLX chainring was made for the FC-M660 3x9-speed crank, but the 22-tooth version in particular is compatible with numerous other cranks and other gears. The 4-arm chainrings have a bolt circle diameter of 64 mm or 104 mm and are made of steel, a composite or aluminium, as appropriate. For the FC-M660, the gradations 22-32-44 and 26-36-48 teeth can be achieved.

Specifications
Application: All Mountain, Cross Country, City & Touring
Mount: 104/64 mm bolt circle diameter, 4-arm
Teeth: 22T, 26T, 32T, 36T, 44T, 48T
Gearing: 3x9-speed, 2x9-speed (only 22T), 2x10-speed (only 22T)

Mfr Claimed Weight
TBC