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Old 2019-10-09, 11:31 PM   #1
Cyclophobia
Unicyclist
 
Join Date: May 2015
Posts: 8
Impact DD Cranks with Missing Locking Rings

My college unicyling club has several Impact unicycles with DD cranks. We noticed that these cranks have a pedal thread insert with a locking ring on the far side. Some of these locking rings are missing and one of the pedal inserts is backing out along with the pedal. The locking ring is round with a 15/16 inch diameter. It is smooth on the outside circumference and threaded on the inside to fit on the adapter that the pedal screws in to. There are two pin holes on one side of the locking ring so that a spanner can be used to thread it on to the adapter.

Could someone please tell me where I can buy these locking rings?
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