KMC - X9 Chains Stock Item:CHAIN KMC 'X9SL' 9SPD 1/2" x 11/128" SILVER HOLLOW 116 LINKS The ring is attached via

The ring is attached via 3 bolts on the back side of the spider near the spindle

or gear for the gym

8mm bolt – 4mm offset | 1

The 36 tooth ratchets ensure direct power transmission

KMC - X9 Chains Stock Item:CHAIN KMC 'X9SL' 9SPD 1/2" x 11/128" SILVER HOLLOW 116 LINKS The ring is attached viaKMC X9 CHAINS One chain for all with compatibility on all leading derailleur systems, choose the corresponding speed and KMC handles the rest for you. The X SERIES chains feature added chamfering at four points of the outter plates to ingeniously avoid interference between chain and cassette teeth for quieter performance. With craftsmanship second to none, KMC designed chains offer a unique configuration to instantly capture a shift for phenomenal