• 1.Adopting quality aluminum alloy, this product is durable to use. Stronger compatibility with flexible rotation. Suitable for use 4 / 5 / 6 mm guide wheel screws.
• 2.Ceramic material can reduce drag force which can improve cycling efficiency. Positive and negative tooth guide wheel, no strange voice and faster speed.
• 3.Small dimensional error, short running-in period can better adapt to other components, light weight, and will not bring extra burden to the bicycle.
• 4.With mounting hole adapter, quick installation is in use, support for 7 / 8 / 9 /10 speed bike.
• 5.Deep toothed guide wheel to reduce chain drop. Positive and negative tooth guide wheel can effectively inhibit the horizontal swing of the chain, so that the speed is more accurate

1X Guide Wheel