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My old bike could coast for miles

my old bike could coast, for, well, i've only gone a mile, slight downhill, very slight. my new bike wont coast for a few feet, what possibly could be the problem?

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NachoMahma8 years ago
. Probably the tires. On pavement, skinnier and harder tires have less rolling resistance.
Yerboogieman (author)  NachoMahma8 years ago
so i should find tires like on my old bike and pump up my tires to 75psi?
. If you want to coast as far as possible. It's gonna be a rough ride and not worth a flip in the dirt, though.
Yerboogieman (author)  NachoMahma8 years ago
chat in instructables chatroom?
. I'm there
Yerboogieman (author)  NachoMahma8 years ago
how's that?
. The "balloon" tires on a dirt bike help absorb a lot of shock (low pressure) and keep the tire on top of the dirt (wide footprint). A skinny tire will dig in.
Yerboogieman (author)  NachoMahma8 years ago
not extremely skinny, like griping but not as much.
Doctor What8 years ago
Mountains?
Yerboogieman (author)  Doctor What8 years ago
Mountain bikes?
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