- Must have product: All you need to convert to single speedIf you’ve got vertical dropouts, grab the DMR Simple Tension Seeker and Spacer Kit combo pack. Many riders when changing their geared bike to single speed, wish to save a lot of weight by removing their cassette and fitting a single speed spacer kit to their free hub. This nifty DMR STS combo kit does it in one hit, and saves you money to boot!Compatible with 1/8’’ x 1/2’’ Chains ONLY.
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