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Join Date: Feb 2006
Location: Canberra, Australia
Posts: 571
Bikes: Salsa mtb * 3, Intense mtb * 1, Abeni SS rd * 1, Salsa road/touring * 2, Trek Damn one * 1, Vintage/projects * many
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Does your new Domane go faster than your 1990 Cannondale? The resistance in unloaded bearings is interesting to compare, but does not correlate strongly to the resistance in bearings that are loaded laterally or radially. Your new crank and bearing assembly has more drag because of how the bearings and seals work, but all things considered, transmits power more efficiently to the rest of your drivetrain.
Also, the Bontrager Race wheels, and lower, have a lot of drag in the freehub, until the seal wears in. Tip, put a lot of grease on each side of the BB92 bearings to help keep water out, you'll help the bearings last longer.
- Joel (just assembled my 2013 Domane 5.2)