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Is a 24t Sprocket compatible with a 16t rear cassete?

What are the advantages and disadvantages of a small sprocket on a BMX Bike?

  • I want ot put a small sprocket on my BMX bike and would like to know the advantages and the disadvanges of a small sprocket. Would you go faster? Do I have to pedal harder? Is it easier to stay at a constant speed? Is it harder/easier to get going? Would I need to change my freewheel from a 16t to a 12t?

  • Answer:

    Those came about so you have better clearance for tricks. The "micro" rings are meant to be used with a smaller rear sprocket. You can go down to a 14t freewheel with a flip/flop thread-on hub or down to a 9 with some cassettes, the smallest sizes like 9&10t are machined into the driver. The easiest way to figure gearing is using a ratio instead of gear inches (that has some purpose for multigear bikes but is a it over the top for singlespeeds). Anyway, standard 20" gearing is 44t front/ 16t rear that equals a 2.75 tooth ratio (44/16=2.75:1) So if you want a 36 front and have the same pedaling resistance take 36/2.75= 13.09...and on:1. So a 36/13 ratio will feel the same as a 44/16. To figure out if a gear ratio will be harder or easier to pedal just calcuate if the gear combo is more or less than 2.75:1, higher than 2.75 will be harder, less easier. Disadvantages are higher chain wear due to tighter bends/ smaller diameter. And cost to swap both front and rear sprockets and possibly needing a different hub.

jonathan... at Yahoo! Answers Visit the source

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pros smaller chainwheel = lighter weight higher clearance at the bottom bracket with direct drive rear end more/easier gearing options cons cost of rear hub/wheel that will accept smaller cog to maintain useable gear ratio shortening your chain good luck

madmac13

a smaller ring in the front would make it easier to pedal, but your top speed would probably be slower. you'd definitely have to change your chain-length depending on the difference in chain-ring size. check out the link below, using the gear-chart you can calculate what your "gear inches" are now, and see what other combos would put you at. conversely, if you put a smaller cog on the rear, it makes pedaling harder/faster.

fixedinseattle

Advantage - Your sprocket wont hit the coping at the park and less weight. Disadvantage - Less speed and you need to pedal more if you really want to go fast.

Misfire

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