Join Date: Apr 2009
Location: New Rochelle, NY
Bikes: too many bikes from 1967 10s (5x2)Frejus to a Sumitomo Ti/Chorus aluminum 10s (10x2), plus one non-susp mtn bike I use as my commuter
Mentioned: 6 Post(s)
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Yes, it's inherent with coaster brakes, and varies by brake and brake design. However it's hard to know if yours is better or worse than average. If you're used to overhauling hubs it won't hurt to do so, but you may not get radical improvement.
Unloaded hub drag is often asked about here, and the reality is that it's a non-issue in the real world because you're looking at a small bit of friction which is negligible compared the the forces when riding the bike.
An ounce of diagnosis is worth a pound of cure.
“Never argue with an idiot. He will only bring you down to his level and beat you with experience.”, George Carlin
“One accurate measurement is worth a thousand expert opinions”
- Adm Grace Murray Hopper - USN
WARNING, I'm from New York. Thin skinned people should maintain safe distance