Description and materials - New Trialtech freewheel, with 108 high quality engagement points. - 9 heat treated steel pawls are offset into groups of 3, with 36 teeth, giving the 108 engagement points. - Suitable for all cranks and hubs with standard 1,37'' x 24 tpi thread. - 4 large removal pockets, ideal to remove with the common freewheel remover. - Available in 16 or 18 teeth. Dimensions - Teeth: 16 or 18 teeth - Pawls: 9 - Engagement points: 108 Finishes - Black - White laser etched Trialtech graphics Weight - 162g (16T) and 171g (18T)