maintenance - 7-speed MTB cassette on 8/9-speed wheel hub, where does spacer go? - Bicycles Stack Exchange
Should I throw on a spacer or two onto this new 7speed cassette before I install the lockring or is the little extra bit of the hub sticking out normal? : r/bikewrench
Shimano Spacer 3mm for 7-speed Shimano HG cassette on 8-/9-speed hub
Hope Spacer For Shimano 8/9 to 7 Speed Conversion
7-speed cassette on 8-speed hub body spacer Each
New-Old-Stock Shimano 8/9/10 to 7-Speed Cassette Conversion Spacer | eBay
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Shimano 11E 0300 Cassette HG Sprocket Spacer 1 mm HG 7 Speed S31. :: £1.50 :: Components. :: Cassettes - Shimano Spacers. :: For Hand built bike wheels & all your cycling needs!