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VBC is an acronym for Variable Bolt Circle.

The beauty of VBC rings is they allow you to set up various tooth configurations to get the gear ratio you desire. 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 outer gear and the inner gear and a 20 tooth on the high end but the maximum is 24 teeth. The VBC rings can be configured with an off road ratio and mated to your mountain bike uses the ENO crank arms, or, if you have a road frame, use the VBC road crank arms and configure a suitable ratio for road riding. It is Compatible with 9, 10, and 11 speed.

Outer ring: 38-52 even increments

Inner ring: 24- 38 even increments

Recommended at least a 10 tooth differential between the inner and outer ring and a maximum difference of 24 teeth

WI_VBC_Chainring_All

White Industries Variable Bolt Circle (VBC) Chainrings

Ready To Ship In: 3-5 Days (Cranks & some hubs may take longer as assembled to order)
Ships To: Worldwide
Returns: 60 Day Free Returns
Made In: Petaluma, CA, USA

Outer Ring
Inner Ring
Read Before Ordering
VBC is an acronym for Variable Bolt Circle.

The beauty of VBC rings is they allow you to set up various tooth configurations to get the gear ratio you desire. 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 outer gear and the inner gear and a 20 tooth on the high end but the maximum is 24 teeth. The VBC rings can be configured with an off road ratio and mated to your mountain bike uses the ENO crank arms, or, if you have a road frame, use the VBC road crank arms and configure a suitable ratio for road riding. It is Compatible with 9, 10, and 11 speed.

Outer ring: 38-52 even increments

Inner ring: 24- 38 even increments

Recommended at least a 10 tooth differential between the inner and outer ring and a maximum difference of 24 teeth
  • AVT.Bike is an authorized White Industries dealer and proud to carry one of the largest selections of White Industries products available online and shipped anywhere in the world.
  • White Industries hubs & headsets are available in a range of colors (Silver, Black, Purple, Gold, Pink, Blue, Red), color options for other White Industries products may vary so please consult the specific product page for details on available colors.
  • Other colors and product options are available depending on stock levels, so if you don't see the color or exact product you are looking for please contact us.
  • We typically ship out White Industries product in around 3-5 days from placing your order, but in some cases this can take a few days longer as many cranks, hubs, headsets and BB's are built to order.
  • If you have any technical questions at all on White Industries products please contact us and we'll be pleased to help you out!
  • All White Industries products are responsibly manufactured in Petaluma, California, USA.