Reverse Single Speed Spacer Kit For Shimano 8 - 11 Spd HG Hub Black

"Reverse" Brand  Single Speed Spacer Kit, BlackConvert any normal HG freehub wheel into a Singlespeed driveRange of different sized aluminum spacers for fine tuning chainlineIncludes alloy lockring, and 7 spacers: 2) 10mm, 1) 5mm, 4) 3mmCogs sold separately (or buy Reverse's kit with 13t cog)Mfg Claimed Weight: 29gMfg.  part #:    40220EAN: 4717480168002