Junior Member
Join Date: Jul 2010
Location: Henrico, Virginia
Posts: 166
Bikes: 1978 Jack Taylor "Tour of Britain", 2010 Cannondale CAAD9-4, 2013, Cannondale Supersix Evo Red Racing, 1969 Jack Taylor Ladies "Tourist" (wife's), 2010 Specialized Dolce Sport (wife's)
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I have used both systems. Shimano, Campy and Chris King (R45). I find the Shimano the quietest and the Campy and CK equal on noise - just a different type of noise. The CK does engage a bit faster but I don't race so I am not getting the benefit. I really like the Chris King but I need to state that I wore out the helical splines on the driveshell at 15,000 miles - and I am not super strong rider. When the splines wear the ring drive does not release reliably and you get chain slap. On the CK you do not use grease to lube the ratchet mechanism (CK calls it the Ring Drive). You use 10W synthetic oil or CK Ring Drive lube. I lube mine annually - at about 3,500 miles. The process is a bit more work than the pawl system.