Problem Solvers Zinger Single Speed Kit for XD - Sram XD - Single Speed Heavy/Bulky Firmly push the pump head

Firmly push the pump head onto the Presta valve until it bottoms out

Cons: Could be a little too narrow for some

CE tested and certified as impact protection:Knee EN1621-2

Y cable or Y adapter

Designed to fit inside 2" square receivers with a tool-free

Problem Solvers Zinger Single Speed Kit for XD - Sram XD - Single Speed Heavy/Bulky Firmly push the pump headThe first (that we know of) conversion kit to convert SRAM XD driver equipped wheels for single speed use. Pair with Problem Solvers 6 bolt cogs for custom tooth counts. Fits most XD driver compatible freehubs, not compatible with SRAM ROAM series hubs If you have questions about the fitment of your Zinger, please contact our customer service team Spacers included to customize chainline Includes 18t and 20t cogs