Do Easton Ec90 Xc Have Ceramic Bearings

Hub wheel bearing easton r4.

Do easton ec90 xc have ceramic bearings.

Velomax r4 series ea70 ec70 sl ea90 sl ea90 slx ec 90 carbon. I can t stress enough how important it is to get your hub model correct. Haven havoc ea90 xc xd ec90 xc ec70 trail use m1 hubs. Easton ec90 sl tubulars in nice shape with a few minor scuffs in the decals clearcoat but strictly cosmetic.

Same echo hub as wheels costing twice as much or more. If they feel rough and or have excessive amounts of slop they are ruined they need to be replaced. Hub wheel bearing easton ec70 mtb. Easton ea90 sl road wheel is the undisputed workhorse in the easton high performance wheel lineup.

Easton r4 sl hub with ceramic bearings. These wheels offer fierce acceleration smooth dependable braking and impressive aerodynamics. I purchased this wheel set as i wanted a second set of wheels for my cyclocross bike. Easton ec90 sl wheel review therma tec treatment on full carbon rim.

The bearings in both the freehub and r4 hub should feel very smooth when turned with a finger. Really tough for how light they are i think they tip the scales at just over 1200 grams if i recall correctly. If the shock load goes above the limit of the ceramic bearing catestrophic failure. Installed new fully sealed ceramic bearings in my ec90 aero wheels.

From the spring classics to rough and tumble cyclocross racing you ll be hard pressed to find a condition where the ec90 sl is out of its element. Overall ceramic is more expensive than steel with a slight performance advantage in limited situations such as full ceramic bearings in the absence of shock loads. The ec90 sl takes the proven fantom rim shape and scales it down to a shallower 38 millimeter depth. Just to be clear i am not interested in a comparison of dt vs easton i roll dt now and know they rock.

I m not sure what easton would do my expensive ceramic bearing campagnolo cassette compatible freehub r4sl bearings have pitted balls now. Easton ec90 xc hub reviews i ve heard some not so good things about easton hubs and i ve also heard about changes to the late 2011 and all 2012 versions that might be improvements. Ceramic bearings save up to 40g using full ceramic bearings in road wheelsets.