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SPIDER-BOLT ON (SINGLE CHAINRING)
-This bolt on style spider is for use with Profile Racing 3-Piece Race Chromoly Crankset with a standard sprocket bolt and 19mm (.75″) BB axles.
-Chainring can be mounted on inner or outer face of spider for chainline adjustability.
-Works best with the Profile Internal Bearing Euro BB, American BB, MID BB, or Spanish BB.
-Will only work on 19mm axles.
Two styles of single chainring spiders available:
-4 Bolt (104MM BCD) for 19mm axle
-5 Bolt (110MM BCD) for 19mm axle
Colors: silver, black