Wolftooth Cassette Extension Sprocket Cog for Shimano 10-spd XT and XTR Cassettes to upgrade from 11-36 to 11-42. Perfect when upgrading to 1x10-spd.
Wolftooth cassette extension cog for SRAM PG-1035/1050/1070 to upgrade 10-speed cassettes from a 11-36 to a 11-40 gear ratio.
Wolftooth CNC-machined stainless steel single speed cog. High tooth profile and 4.5 mm width,which does not harm the freewheel body. Available in different numbers of teeth.
Wolftooth 16 tooth cog as addition for the cassette extension GC40 and GC42. Optimizes the gear ratio, compatible with SRAM and Shimano cassettes.
CNC-machined alloy single speed cog. High tooth profile & 4.5mm width, to protect t. freewheel body.
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