the balls will support the bearing better and increase life expectancy

while the 48

Dimensions and weight: 604g excluding bladder

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If you want to run a 200mm rotor choose and 40mm increase and so on

Wolf Tooth Anodized Alloy Chainring Bolts - Black - Set of 4 - 6mm netsuite-webdata-created the balls will support theWolf Tooth Chainring bolts use a large hex socket on both the bolt (5 mm) and the nut (6 mm). Bolts are 6 mm or 10mm long and have the length laser engraved on the head. These work great with Wolf Tooth or any other brand single chainrings. Designed and manufactured in the USA from 7075 T6 aluminum alloy. 6mm size sold as a set of 4 bolts+nuts for MTB cranks 10mm size is sold as a set of 4 bolts only (no nuts) for threaded 104 x 30T chainring 6mm