RS10 Wheels, 105 cassette

ic.
ic. Posts: 769
edited February 2013 in Workshop
Running RS10 wheels that came with a SRAM cassette installed. I''m wanting to switch to a 105 cassette with a pref. ratio.

Do I need a spacer behind the 105 cassette? If so, how big?

Instinct says I do, but wanting to double check, cheers
2020 Reilly Spectre - raw titanium
2020 Merida Reacto Disc Ltd - black on black
2015 CAAD8 105 - very green - stripped to turbo bike
2018 Planet X Exocet 2 - grey

The departed:

2017 Cervelo R3 DI2 - sold
Boardman CX Team - sold
Cannondale Synapse - broken
Cube Streamer - stolen
Boardman Road Comp - stolen

Comments

  • sungod
    sungod Posts: 17,416
    on a 9/10-speed compatible hub (most are this type)...

    sram - no spacer
    shimano 9-speed - no spacer
    105 and most other shimano 10-speed - use a spacer (it should be in the box with the cassette), but shimano tiagra 10-speed, for instance, doesn't need a spacer
    my bike - faster than god's and twice as shiny
  • ic.
    ic. Posts: 769
    Thanks

    No spacer in with the casette, so what size is needed? 3mm?
    2020 Reilly Spectre - raw titanium
    2020 Merida Reacto Disc Ltd - black on black
    2015 CAAD8 105 - very green - stripped to turbo bike
    2018 Planet X Exocet 2 - grey

    The departed:

    2017 Cervelo R3 DI2 - sold
    Boardman CX Team - sold
    Cannondale Synapse - broken
    Cube Streamer - stolen
    Boardman Road Comp - stolen
  • mister p
    mister p Posts: 405
    You need a 1mm spacer.
  • keef66
    keef66 Posts: 13,123
    You sure it's not stuck to the back of the cassette?
  • andy_wrx
    andy_wrx Posts: 3,396
    One of these
    http://www.edinburghbicycle.com/product ... r-10-speed

    But if you buy a new 10sp cassette there should be one in the box.
    (105/Ultegra/DA - Tiagra doesn't need it as Sungod says)

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