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White Industries

VBC Chainring Sets

VBC Chainring Sets

Regular price $245.00 CAD
Regular price $245.00 CAD Sale price $245.00 CAD
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Description |

These are the VBC (Variable Bolt Circle) chainring “sets”.   They come in two versions to fit either M/A/R/G 30 cranks or ENO/Square Taper Road cranks.  Individual VBC rings are are available on the “Inner VBC Chainrings” page or the “Outer VBC Chainrings” page.

When Doug saw the limitations presented by all the different bolt-circle diameters required to manufacture chainrings, he figured there had to be a better way.  “Hey, how about no standard?”, and the VBC chainring system was born.  VBC stands for “Variable Bolt Circle” and replaces several different bolt patterns with one simple, slotted outer chainring design that accepts a wide range of our inner VBC chainrings.  The outer chainring mounts directly to the crank and serves as the mounting point for the inner chainring.

As bikes, drivetrains, and riding styles have changed in the last decade, the VBC system has found a following among riders tired of being told what gear ratios they should be using.  Available in 39 “recommended” combinations, there’s no other system that allows this level of customization!

Features |

  • Compatible with White Industries cranks only
  • Chainrings are made from  U.S. sourced 7075-T6 aluminum (except 48t-52t which are 6061-T6)
  • Available in black anodize only
  • Available to fit either M/A/R/G cranks (30mm) or ENO/Road Square Taper cranks (17mm)
    •  The outer rings are specific to which style of crank you have, i.e., either 30mm or 17mm
      • Each crank uses a different spline configuration for the outer ring
  • Inner VBC chainrings are the same for either crank style
  • Chainring “sets” come assembled together with White Industries VBC-specific hardware
    • Hardware available separately (see Chainrings>VBC Bolt/Shift Hardware Set)
  • Outer VBC chainrings cannot be used without an inner chainring!  They are not stiff enough by themselves!
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