Profile Flush Bolts Large (for hollow cr-mo spindle) Profile 19mm Cranks The hollow chromoly spindle bolts

The hollow chromoly spindle bolts help reduce weight without sacrificing on strength

The tension system is away from the grind side

Half link Chain from Éclat

The 121 half link chain is heat-treated and is engraved with the Primo logo

Profile Flush Bolts Large (for hollow cr-mo spindle) Profile 19mm Cranks The hollow chromoly spindle boltsReplacement Profile Flush bolts and matching washers for Profile and Madera Cranks. Made in the USA. Available in regular size for standard cr mo axles and titanium axles or larger diameter size for the new hollow cr mo Profile spindle. ###section### Product Specs Rise: N A Bar Clamping Diameter: Multi Bar Clamping Diameter: TBC