These are the outer VBC (Variable Bolt Circle) chainrings that mount directly to the crank arm. This version is only compatible to M/A/R/G 30 cranks
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
- Available in black anodize only
- compatible with M/A/R/G cranks (30mm)
- The outer rings are specific to which style of crank you have ie 30mm or 17mm
- Each crank uses a different spline configuration for the outer ring
- Outer chainrings are available from 38t to 52t in 2 teeth increment
- White Industries VBC-specific hardware Hardware available separately
- Outer VBC chainrings cannot be used without an inner chainring! They are not stiff enough by themselves!
Specs
- Compatible with 9, 10, and 11 speed drivetrains only 12 speed chains are too narrow and will fall/jam between the rings
- We recommend Shimano front derailleurs only for best shifting performance
- To ensure proper shifting we recommended inner/outer chainring combinations of: A difference no smaller than 10 teeth A difference no bigger than 22 teeth
- Torque VBC bolts: 9 ft lbs (12 Nm)
Scope of delievery is only 1x Outer Chainring! Picture just for showing Purpose.
Product safety information
Manufacturer information:
White Industries
1325 Ross Street
Kalifornien
Petaluma, Vereinigte Staaten, 94954
info@whiteind.com
https://www.whiteind.com
Responsible person:
Cosmic Sports GmbH
Leyher Str. 47
Bayern
Fürth, Deutschland, 90763
info@cosmicsports.de
https://www.cosmicsports.de
