Shimano Alfine S501 45t 130mm Outer Chainring Guard Black MFPN=BT-177 Other 104 BCD sizes -

Other 104 BCD sizes - you will need 8mm bolts (stock size that comes on 3x cranksets holding the middle and big rings on)

Amazing feel on the snow and adjusts well to changing conditions

Compatible with 4-arm crank design Ring Position/Type Outer Tooth Count 40 Drivetrain Speeds 10 Chainring BCD 96 Color Black Defined Color Black Size 40T Bcd 96Mm

A carbon lever blade and titanium fasteners take Dominion performance to the next level

ride type-specific maps

Shimano Alfine S501 45t 130mm Outer Chainring Guard Black MFPN=BT-177 Other 104 BCD sizes -Shimano Alfine S501 Chainring Guard Material Aluminum Max Tooth (teeth) 45 Color Black Mount Type Chainring Defined Color Black Position Outer Max Tooth 45T