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Race Face Chainring Shims

Item #: CG231Z00
Qty

Race Face Chainring Tab Shims

Chainring tab shims for all cranks.

  • Cleanly converts your triple or double chainring setup into a 2x10
  • Required for all carbon crankarms when not using a bashguard or outer ring
  • Necessary when you're running the 30T Race Face Single NW chainring.
  • Sold in a pack of 4
  • Manufacture Part Number: F10000, D40331

REVIEW SNAPSHOT®

by PowerReviews
Race Face Chainring Shims
 
4.7

(based on 32 reviews)

Ratings Distribution

  • 5 Stars

     

    (22)

  • 4 Stars

     

    (9)

  • 3 Stars

     

    (1)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (0)

97%

of respondents would recommend this to a friend.

Pros

  • Easy to install (20)
  • Lightweight (15)
  • Attractive (14)
  • Durable (11)

Cons

No Cons

Best Uses

  • Mountain biking (23)
  • Upgrade (9)
  • Casual riding (4)
  • Racing (3)
    • Reviewer Profile:
    • Avid cyclist (16), Casual/ recreational (5), Competitive cyclist (4)
    • Was this a gift?:
    • No (25)

Most Liked Positive Review

 

Not required on 30T

These are not required for the 30T. It just depends on the length of bolt you have. If you had the right length bolts and added the shims, then your bolts would be...Read complete review

These are not required for the 30T. It just depends on the length of bolt you have. If you had the right length bolts and added the shims, then your bolts would be too short. In my case, I used the bolts from the granny gear. They were 8.5mm long, exactly like the RaceFace chart says. You can check RF's site for the compatibility chart.

Hope this helps others wondering if they need these.

VS

Most Liked Negative Review

 

Not sure I needed

I used this with the 30t narrow wide. Seemed to make the chain line better but shifting performance was unchanged. Maybe it will make the chain last longer.

I used this with the 30t narrow wide. Seemed to make the chain line better but shifting performance was unchanged. Maybe it will make the chain last longer.

Reviewed by 32 customers

Displaying reviews 1-10

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5.0

Great buy

By Shawnm

from Cleveland Ohio

Verified Buyer

Comments about Race Face Chainring Shims:

Much cleaner look than getting shorter bolts , was able to use the existing bolts to mount

 
3.0

Not sure I needed

By Pilotman520

from Fort Worth, Tx

Verified Buyer

Comments about Race Face Chainring Shims:

I used this with the 30t narrow wide. Seemed to make the chain line better but shifting performance was unchanged. Maybe it will make the chain last longer.

 
5.0

I love these things

By I❤️Bike parts

from PNW

Verified Buyer

Comments about Race Face Chainring Shims:

cleanly turns a triple crank into a double or single with existing chainring bolts

 
5.0

I would buy again!!!

By IrishDoglion

from Spokane,WA

Verified Buyer

Comments about Race Face Chainring Shims:

Just what I needed to convert my 1x10, perfect fit and beautiful machine work. Looks like it was factory even on my shimano crankset.

 
5.0

I would buy this again

By Red

from San Clemente, CA

Verified Buyer

Comments about Race Face Chainring Shims:

Great for converting to an 11 speed set up

 
5.0

Do exactly what they should

By Ty the Clyde

from Ohio

Verified Buyer

Comments about Race Face Chainring Shims:

Not a lot to be said about these other than they do exactly what they are supposed to.

They covered up the machines faces on my spider and allowed me to use a little longer chainring bolts. Made install a breeze and look pretty good doing it.

 
5.0

Chainring Shims

By Charlie Brown

from Minnesota

About Me Competitive Cyclist

Verified Buyer

Pros

  • Great Components

Cons

    Best Uses

    • Cross Country

    Comments about Race Face Chainring Shims:

    Always great components reasonably priced.

    • Was this a gift?:
    • No
     
    5.0

    As expected

    By Mike

    from New York

    About Me Avid Cyclist

    Verified Buyer

    Pros

    • Attractive Design

    Cons

      Best Uses

      • Mountain Biking

      Comments about Race Face Chainring Shims:

      Good set but ended up not using them so into the toolbox they went

      • Was this a gift?:
      • No
       
      5.0

      Works great

      By Benny bumps

      from Morrison, CO

      About Me Avid Cyclist

      Pros

      • Easy To Install

      Cons

        Best Uses

        • Mountain Biking

        Comments about Race Face Chainring Shims:

        Worked just how they claimed they should.

        • Was this a gift?:
        • No
         
        4.0

        These shims work

        By STL Rick

        from St. Louis, MO

        About Me Avid Cyclist

        Verified Buyer

        Pros

        • Easy To Install

        Cons

          Best Uses

          • Mountain Biking
          • Upgrade

          Comments about Race Face Chainring Shims:

          They are shims. They work, especially on Race Face cranks.

          • Was this a gift?:
          • No

          Displaying reviews 1-10

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          Do you have questions about this product?

          Get answers from real customers and in-house experts with AnswerBox.

          1 Question | 0 Answers
          Displaying question 1
          • Q:

            I will be converting my XTR 970 3x9 crankset to 1x11 using a OneUp narrow wide chainring (Item # CG216A00) - do I need these spacers?
            Asked on 4/20/2016 by Toby from Charlotte, NC

            0 answers

          Displaying question 1

          Do you have a question about this product? 

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          Free Shipping Offer

          Get free Standard Shipping with your $50 purchase today! Just choose Standard Shipping during checkout.

          Please note this offer is only available to physical shipping addresses in the 48 continental United States (no PO Boxes), and oversize charges still apply on some heavy/large items.