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VBC 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 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 on your mountain bike or a more traditional road set up.

Compatible with 9, 10 and 11 speed  Drivetrains only. 

  • Outer Ring: 38-52 even increments.
  • Inner Ring: 24- 38 even increments.
  • Color: Black Only.
  • Crank Type For Outer Ring Only: MR30 (also includes G30) or Square Taper (ENO or VBC).

** Please note, if you are buying a set of 2 x chainrings you need to select each size individually and add each to the basket separately. Plus you will need to also check the box to add chainring bolts. **




VBC 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 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 on your mountain bike or a more traditional road set up.

Compatible with 9, 10 and 11 speed  Drivetrains only. 

  • Outer Ring: 38-52 even increments.
  • Inner Ring: 24- 38 even increments.
  • Color: Black Only.
  • Crank Type For Outer Ring Only: MR30 (also includes G30) or Square Taper (ENO or VBC).

** Please note, if you are buying a set of 2 x chainrings you need to select each size individually and add each to the basket separately. Plus you will need to also check the box to add chainring bolts. **


CRINGVBCIN24

White Industries Variable Bolt Circle (VBC) Double Chainring



Chainring Size



Availability and stock levels vary by color & specification, please check each color below for stock information.

VBC 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 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 on your mountain bike or a more traditional road set up.

Compatible with 9, 10 and 11 speed  Drivetrains only. 

  • Outer Ring: 38-52 even increments.
  • Inner Ring: 24- 38 even increments.
  • Color: Black Only.
  • Crank Type For Outer Ring Only: MR30 (also includes G30) or Square Taper (ENO or VBC).

** Please note, if you are buying a set of 2 x chainrings you need to select each size individually and add each to the basket separately. Plus you will need to also check the box to add chainring bolts. **

  • 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.
  • 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.
Available For Pre Order.
Ships In Approx 1 Weeks.
In Stock & Ready To Ship Within 24 Hours (Monday to Friday)
Available For Pre Order.
Ships In Approx 1 Weeks.
Available For Pre Order.
Ships In Approx 1 Weeks.
In Stock & Ready To Ship Within 24 Hours (Monday to Friday)
In Stock & Ready To Ship Within 24 Hours (Monday to Friday)
In Stock & Ready To Ship Within 24 Hours (Monday to Friday)
In Stock & Ready To Ship Within 24 Hours (Monday to Friday)
In Stock & Ready To Ship Within 24 Hours (Monday to Friday)
In Stock & Ready To Ship Within 24 Hours (Monday to Friday)
In Stock & Ready To Ship Within 24 Hours (Monday to Friday)
In Stock & Ready To Ship Within 24 Hours (Monday to Friday)
Available For Pre Order.
Ships In Approx 1 Weeks.
In Stock & Ready To Ship Within 24 Hours (Monday to Friday)
In Stock & Ready To Ship Within 24 Hours (Monday to Friday)
In Stock & Ready To Ship Within 24 Hours (Monday to Friday)
In Stock & Ready To Ship Within 24 Hours (Monday to Friday)
Available For Pre Order.
Ships In Approx 1 Weeks.
Available For Pre Order.
Ships In Approx 1 Weeks.
Available For Pre Order.
Ships In Approx 1 Weeks.
Available For Pre Order.
Ships In Approx 1 Weeks.
In Stock & Ready To Ship Within 24 Hours (Monday to Friday)
In Stock & Ready To Ship Within 24 Hours (Monday to Friday)
In Stock & Ready To Ship Within 24 Hours (Monday to Friday)