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    Fixed Gear Bicycle

    Is it normal for my fixed gear to suddenly stop like this?

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    12 Comments

    4. lostwandererkind on

      No. It should coast to a stop. Check your chain tension – a common issue is putting the wheel on and making the chain as tight as possible. You want the chain to be tight, but not so tight that it increases friction like this

    5. s-goldschlager on

      Somethings to tight. Take the chain loose or off and if the cranks turn easily and free and so does the rear wheel then its the chain being to tight.

    7. ayearinaminute on

      Hub cones tightness and chain tension are the things I would check. Can’t tell if you got sealed hubs or not.

    8. Middle-Internet7665 on

      The word is “eccentricity” tolerances on chainrings/crank spider will give you spot on temsion in the “loose” spot and then will be so tight at the other extreme that it will pull it up like as in the vid. Either set the tension at or near the tight spot or just ride it like that and it will wear the high spot down. If you play ir like a guitar string with a screwdriver handle, you will hear the pitch change.
      Best of luck.

    9. Horror-Raisin-877 on

      Do this:

      1. take the rear wheel off
      – take the chain off the crank and rest it on the BB shell

      2. spin the cranks, they should turn freely for 2-3 rotations if you have a cartridge BB (if a loose ball BB should spin like 10 times or more)
      – if it doesn’t do that, there’s a problem with the BB
      – if a cartridge BB, or external bearings BB, easiest to just replace

      3. hold the rear wheel axle tips in your fingertips, give the wheel a spin, it should spin freely for a long, long time, and you should feel nothing, no roughness, no crunching, no vibration, you should hear no sounds, no clicking, no scraping
      – if it doesn’t pass that test you need to:
      – if it’s a loose ball hub, disassemble the hub, repack and regrease, and carefully adjust the hub with your cone wrenches, and if you don’t know what all that means, take it to a good shop, or watch a bunch of park tools videos and practice
      – if it’s cartridge bearings, take it to a shop and have them replaced

      4. if the cranks are OK, and the BB is OK, then it’s probably an over tight chain, as the other comments have noted
      – the finger test is when you lightly press your finger on the chain from above, it should deflect like a half inch

    11. ExternalEmploy1429 on

      i have the exact same problem but not this bad it keep rotate a little bit then it stops just like this one

    12. cogminski on

      1/4-1/2(max) slack. Check hub and BB bearings. Check chainring bolts for even torque and round.

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