Rennen Chainrings Single Speed specific tooth profile designed to extend tooth life. Decimal gearing manipulates the size of existing gearing to make it slightly harder or easier depending on your needs. 3/16" thick 7075-T6 Aluminum. Color: Black. Material: Aluminum. Chainring BCD: 104. Defined Color: Black. Ring Position/TYPE: Single. Drivetrain Speeds: Single Speed 3/32". Tooth Count: 41.
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