Shimano ULTEGRA CN-6600 10-Speed Chain Silver garminpromo and is suitable for internal

and is suitable for internal cable routing

The center tread features ramped leading edges to improve acceleration and sipes to create a smooth transition when leaning the bike

you can work to improve your personal best or see where you stand against the pros

and drop-bar mountain bikes

Shimano ULTEGRA CN-6600 10-Speed Chain Silver garminpromo and is suitable for internalUltegra 6600 and 105 5600 chains are recommended for use in conjunction with Ultegra 6703 and 105 5703 triple Ultegra level CN 6600 super narrow HyperGlide 10 speed chain 3 groove connecting pin: USE: SH 27103 27104 (5 50 bag) for extras Zinc alloy plated pin link plates with grey roller link plates 5. 88mm pin width 2. 32mm roller width Weight: 280g Links: 116