Shimano ULTEGRA CN-6600 10-Speed Chain Silver garminpromo Single 74mm caliper

Single 74mm caliper

Wider tire clearance

Aero Bar parts designed to accommodate most Profile Design Aerobar models for fit changes or accessory mount additions

Formerly Jagwire "Red Zone"

The side treads give you just enough grip for confident cornering

Shimano ULTEGRA CN-6600 10-Speed Chain Silver garminpromo Single 74mm caliperUltegra 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