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Hubs, Gearboxes, Sprockets and Chains

Can't find 'em, grind em - hubs and transmissions, problems and modifications to make you run smooth and trouble free

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  1. Sticky Threads
  2. Greg58
    Sticky

    Chain size chart

    Greg58, Jul 27, 2011 ... 2 3 4
    Replies:
    79
    Views:
    72,100
    EZL
    EZL
    Jun 10, 2019
  3. MaxPower
    Sticky

    List of motorized bicycle gearboxes

    MaxPower, Nov 26, 2009 ... 2 3
    Replies:
    54
    Views:
    69,155
    MotorBikeFab
    MotorBikeFab
    Sep 11, 2018
  4. Norman
    Sticky

    motorized bicycle 44 to 36 tooth sprocket swap

    Norman, Feb 24, 2008 ... 5 6 7
    Replies:
    128
    Views:
    80,478
    allen standley
    allen standley
    Dec 28, 2017
  5. Normal Threads
  6. breath_easy13

    Fitting Torque Converter on Vertical Mounted 212cc

    breath_easy13, Jan 10, 2020
    Replies:
    14
    Views:
    938
    MotoMagz
    MotoMagz
    Jan 11, 2020
  8. breath_easy13

    Torque Converter Not Lining up

    breath_easy13, Jan 10, 2020
    Replies:
    0
    Views:
    111
    breath_easy13
    breath_easy13
    Jan 10, 2020
  9. Squonker

    Seeking drive train guidance

    Squonker, Jan 3, 2020
    Replies:
    15
    Views:
    286
    LR Jerry
    LR Jerry
    Jan 5, 2020
  10. Desertrider19

    Jackshaft reliability

    Desertrider19, Jan 2, 2020
    Replies:
    0
    Views:
    164
    Desertrider19
    Desertrider19
    Jan 2, 2020
  11. Adam E

    Bikeberry double chain transmission

    Adam E, Dec 22, 2019
    Replies:
    2
    Views:
    217
    LR Jerry
    LR Jerry
    Dec 30, 2019
  12. Scott Smith

    Hello, looking for a rural exercise solution.

    Scott Smith, Dec 29, 2019
    Replies:
    0
    Views:
    103
    Scott Smith
    Scott Smith
    Dec 29, 2019
  13. Adam E

    centrifigul clutch springs

    Adam E, Dec 24, 2019
    Replies:
    0
    Views:
    120
    Adam E
    Adam E
    Dec 24, 2019
  14. msrfan

    Two Speed Automatic Transmission

    msrfan, Apr 14, 2013 ... 2 3 4
    Replies:
    73
    Views:
    23,416
    motorhedfred
    motorhedfred
    Dec 13, 2019
  15. PsychDoc

    Jackshaft questions

    PsychDoc, Nov 29, 2019
    Replies:
    10
    Views:
    410
    PsychDoc
    PsychDoc
    Dec 1, 2019
  17. Taffy13

    Gear speed question

    Taffy13, Nov 23, 2019
    Replies:
    5
    Views:
    248
    Taffy13
    Taffy13
    Nov 26, 2019
  18. 89mightymax

    Gearing for 29 inch

    89mightymax, Nov 23, 2019
    Replies:
    2
    Views:
    194
    89mightymax
    89mightymax
    Nov 24, 2019
  19. kelly dean

    Things that go crunch

    kelly dean, Nov 22, 2019
    Replies:
    2
    Views:
    195
    kelly dean
    kelly dean
    Nov 23, 2019
  20. PsychDoc

    Gearing advice please

    PsychDoc, Nov 9, 2019
    Replies:
    4
    Views:
    206
    Tony01
    Tony01
    Nov 9, 2019
  21. Adam E

    11T sprocket Freewheel on 49cc 4 stroke 4g belt gearbox broke, can’t find a replacement anywhere

    Adam E, Oct 29, 2019
    Replies:
    1
    Views:
    247
    MotoMagz
    MotoMagz
    Nov 2, 2019
  22. nidyanazo

    *vid* Perfect sprocket alignment every time, how easy is this??

    nidyanazo, Jul 7, 2011
    Replies:
    16
    Views:
    7,349
    curtisfox
    curtisfox
    Oct 26, 2019
  23. Dominic

    Chain jumping/sticking problem!

    Dominic, Oct 8, 2018
    Replies:
    11
    Views:
    821
    BrandFord2140
    BrandFord2140
    Oct 20, 2019
  24. Levimoody

    Chain alignment, ruining drive sprocket

    Levimoody, Sep 27, 2019
    Replies:
    1
    Views:
    192
    indian22
    indian22
    Oct 1, 2019
  26. daveet6666

    any tips on tightening chain tentioner?

    daveet6666, Aug 27, 2019
    Replies:
    9
    Views:
    438
    lewdog7431
    lewdog7431
    Sep 24, 2019
  27. MediocreBikeMan

    Chain/Sprocket seizing

    MediocreBikeMan, Sep 16, 2019
    Replies:
    6
    Views:
    394
    MediocreBikeMan
    MediocreBikeMan
    Sep 18, 2019
  28. ZekeNoScooter

    Front sprocket for 410 chain.

    ZekeNoScooter, Sep 5, 2019
    Replies:
    2
    Views:
    203
    ZekeNoScooter
    ZekeNoScooter
    Sep 18, 2019
Showing threads 1 to 20 of 1,221

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