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NOTE: To find the correct seat clamp diameter for your frame, measure the outside seat tube diameter of your frame (including seat post) with a caliper.
NOTE: To find the correct seat clamp diameter for your frame, measure the outside seat tube diameter of your frame (including seat post) with a caliper.
OS20 is not 22" diameter but larger 20" diameter. The OS20 is therefore a higher and larger diameter for stiffness and velocity. It was designed to offer more speed and less rolling resistance compared to the conventional 20 "diameter.
NOTE: To find the correct seat clamp diameter for your frame, measure the outside seat tube diameter of your frame (including seat post) with a caliper.
NOTE: To find the correct seat clamp diameter for your frame, measure the outside seat tube diameter of your frame (including seat post) with a caliper.