SINZ is proud to announce the arrival of the all new 4 Bolt Expert Chain Rings. The Chain rings, offered in 11 different gear sizes, are 4 x 104 BCD Bolt pattern to fit the popular 4 bolt cranks out in the market today. Made from 6061 Cnc’d Alloy, the SINZ Gears are anodized black and have the SINZ logo and gear size laser etched on them. Each Gear has a thickness of 5mm to keep them strait and have them strong enough to handle the power from the Pros, while keeping the weight down to a minimum.
The SINZ 4 Bolt Expert Chain rings are in stock now and available at better bike shops world wide. Gears come in Anodized Black in every size from 36 to 46.