Source: Gamut USA Gamut is pleased to announce the release of its new line of Race Rings. The Race Rings utilize a unique tooth profile with wider and deeper teeth, creating increased chain engagement. The deeper tooth profile and wider teeth reduce the distance a chain can slip, increasing chain retention and ring longevity.Made from 7075 aluminum and hard anodized, Gamut's Race Rings are a straight forward, quality option for riders who ride high caliber components. Race Rings are currently available in 32, 34, 36, 38, and 40 teeth. Odd sizes will be available in September 2009.
Weights:
32t - 29g
34t - 37g
36t - 38g
38t - 48g
40t - 53g
www.gamutusa.com
wasnt the chain and cog relationship optimized in like the 1800s?