Wheels Manufacturing Aluminum Chainring Spacers (Bag of 20) (5.3mm) - CS-5.3
Wheels Manufacturing Aluminum Chainring Spacers (Bag of 20) (5.3mm) - CS-5.3, Wheels Individual Chainring Spacer. Features: For chain and derailleur alignment Specs: Fits:inner Size:5.3mm Package:20/bag