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Kit chain + sprocket + rear sprocket
Ratio 17x45
Chain step 520 type RX-Ring
Paiements sécurisés. CB 3D secure, Paypal, Amazon Pay
Expédition des produits en stock sous 2 jours ouvrés
Retour possible des produits 14 jours après livraison
Chain type FEX = super-reinforced with RX type seals
Seen cut away, the RX joint is in the shape of an X, giving it an additional lubricant reservoir.
Reducing friction due to torsion, thus providing optimum performance under high stresses.
Life service increased by 30% compared to that of ordinary O-ring chains.