White Industries Variable Bolt Circle (VBC) Double Chainring CHRIS KING ISO HUBS Chris King R45D

Chris King R45D

It holds up over time

Chris King Rear 157x12mm ISO Disc

Additional information is available on the Chris King website

White Industries Variable Bolt Circle (VBC) Double Chainring CHRIS KING ISO HUBS Chris King R45DVBC is an acronym for Variable Bolt Circle. It provides arguably the most flexible double chainring on the market with a huge range of chainring sizes from 24x38 all the way through to 38x52 ratios. The outer ring is designed with a slotted section and the inner five bolt ring is self centering allowing more options when compared to traditional crank designs with set bolt circle requirements. We recommend at least a ten tooth difference between the