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. MaxPower
    Sticky

    List of motorized bicycle gearboxes

    MaxPower, Nov 26, 2009 ... 2 3
    Replies:
    49
    Views:
    56,282
    MotorbikeMike
    MotorbikeMike
    May 24, 2016
  3. Greg58
    Sticky

    Chain size chart

    Greg58, Jul 27, 2011 ... 2 3 4
    Replies:
    70
    Views:
    50,587
    TheNecromancer13
    TheNecromancer13
    Oct 31, 2015
  4. Norman
    Sticky

    motorized bicycle 44 to 36 tooth sprocket swap

    Norman, Feb 24, 2008 ... 5 6 7
    Replies:
    124
    Views:
    70,277
    DRBS
    DRBS
    Jun 22, 2014
  5. Normal Threads
  6. CRP

    How centered does the rear sprocket have to be?

    CRP, Jun 22, 2017 at 12:41 AM
    Replies:
    4
    Views:
    37
    crassius
    crassius
    Jun 22, 2017 at 3:48 PM
  7. BiotinX

    shorten a 415 chain?!!?!?

    BiotinX, May 27, 2017
    Replies:
    4
    Views:
    187
    forties
    forties
    Jun 20, 2017 at 4:20 PM
  8. mr42ndstblvd

    anybody have info on the new chinese hubadapters on the market??

    mr42ndstblvd, Jun 20, 2017 at 12:15 AM
    Replies:
    2
    Views:
    96
    forties
    forties
    Jun 20, 2017 at 2:55 PM
  9. Rusty_S85

    SBP Shift Kit

    Rusty_S85, May 14, 2017 ... 2
    Replies:
    23
    Views:
    797
    5-7HEAVEN
    5-7HEAVEN
    Jun 12, 2017
  10. Kletus

    How I reassembled a centrifugal clutch without much cussin

    Kletus, Jun 6, 2017
    Replies:
    5
    Views:
    226
    TheGeneral1
    TheGeneral1
    Jun 11, 2017
  11. Rusty_S85

    Skyhawk 150mm frame

    Rusty_S85, Jun 8, 2017
    Replies:
    0
    Views:
    40
    Rusty_S85
    Rusty_S85
    Jun 8, 2017
  12. dchevygod

    Anyone have a source for big t8f/8mm freewheel sprockets?

    dchevygod, Mar 14, 2017 ... 2 3 4
    Replies:
    64
    Views:
    2,980
    5-7HEAVEN
    5-7HEAVEN
    Jun 5, 2017
  13. Cylon

    Clutch plate guide pins grinding...

    Cylon, May 11, 2017
    Replies:
    0
    Views:
    209
    Cylon
    Cylon
    May 11, 2017
  14. Scorpion1

    Where to find 41 chain 72 tooth sprocket?

    Scorpion1, May 2, 2017
    Replies:
    14
    Views:
    798
    Tony01
    Tony01
    May 3, 2017
  15. 5-7HEAVEN

    Serpentine Connection

    5-7HEAVEN, Apr 26, 2017
    Replies:
    2
    Views:
    286
    5-7HEAVEN
    5-7HEAVEN
    Apr 28, 2017
  16. outlawbiker

    Fat Tire Bottom Bracket Blues

    outlawbiker, Feb 22, 2017 ... 2
    Replies:
    20
    Views:
    1,467
    KCvale
    KCvale
    Apr 28, 2017
  17. outlawbiker

    Performance or better HS 4 stroke tapered clutch?

    outlawbiker, Apr 24, 2017
    Replies:
    0
    Views:
    144
    outlawbiker
    outlawbiker
    Apr 24, 2017
  18. clay830

    Best rear sprocket size

    clay830, Jan 30, 2017 ... 3 4 5
    Replies:
    84
    Views:
    4,296
    clay830
    clay830
    Apr 18, 2017
  19. outlawbiker

    HS 4G Trans Options

    outlawbiker, Apr 15, 2017
    Replies:
    3
    Views:
    250
    outlawbiker
    outlawbiker
    Apr 15, 2017
  20. Nanfoe

    How about some high RPM bearings

    Nanfoe, Apr 7, 2017
    Replies:
    1
    Views:
    339
    curtisfox
    curtisfox
    Apr 13, 2017
  21. vhatley

    Ever See A Center Hub Separate From The Spokes??

    vhatley, Apr 4, 2017
    Replies:
    4
    Views:
    321
    ZipTie
    ZipTie
    Apr 6, 2017
  22. 87octane

    How to measure for a custom rear sprocket

    87octane, Mar 23, 2017
    Replies:
    6
    Views:
    500
    87octane
    87octane
    Mar 29, 2017
  23. Flathead

    Rag

    Flathead, Mar 22, 2017
    Replies:
    1
    Views:
    212
    Chaz
    Chaz
    Mar 23, 2017
  24. chainmaker

    Shift Kit and 3 speed hubs

    chainmaker, Jan 22, 2011 ... 2 3
    Replies:
    52
    Views:
    15,821
    CraftsmanJB
    CraftsmanJB
    Mar 22, 2017
  25. MrBill

    Chain Waxing

    MrBill, Mar 7, 2017
    Replies:
    5
    Views:
    478
    msrfan
    msrfan
    Mar 8, 2017
Showing threads 1 to 20 of 1,165

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