adding gears to Hotrock 20 coaster- Mtbr.com
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  1. #1
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    adding gears to Hotrock 20 coaster

    So can I just add a derailleur, shifter, cable and rear wheel to add gears to a coaster, or is the frame different?

  2. #2
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    I guess my first question is why? Is your intention to do hilly trail rides where gears become necessary?

    I'm sure you could somehow source all the parts. Come up with a derailleur hanger, swap the rear wheel, run zip ties to hold the shift cable, find a shifter that will fit that diameter bar. Sounds exhausting though. Especially considering all of the other options out there.

    On ours, I swapped the wheel for a freewheel with a slightly lower gear & added Kenda Small Block Eight tires. Then restrained myself. That bike served as a light duty trail bike, pump track bike, front yard jumps bike etc. Until they were ready for 24" wheels. Then I went for it.

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