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  2. Spares
  3. Seat Post
  4. Shim
  5. Crank Brother Seatpost Shim
Product Information
Size:
30.9-27.2MM
Colour:
Silver
How to Buy

In-Store

Available to
purchase in-store

Phone

Available now, call us on
01234 351154 to order

Online

Available now - see
delivery information
Delivery Information
Mainland UK delivery for standard orders when you spend £20
Delivery takes 2-3 working days

£7.50

Mainland UK delivery for standard orders when you spend £70
Delivery takes 2-3 working days

FREE

FREE reserve and collect
Available now: reserve online and collect today or tomorrow

FREE

FREE click and collect
Available now: pay online and collect in store within 5 working days

FREE

Mainland UK delivery for small orders under £20
Delivery takes 2-3 working days

£5.00

Mainland UK delivery for large orders when you spend £1,000
Delivery takes 2-3 working days

£30.00

Mainland UK delivery for large orders when you spend £300
Delivery takes 2-3 working days

£45.00

Select & Buy

Crank Brother Seatpost Shim 30.9-27.2MM Silver
Crank Brother Seatpost Shim 30.9-27.2MM Silver
MPN: C-ST27309

Available

£13.00

Description

CUSTOM MACHINED ALLOY SLEEVE TO SPACE 25.4, 27.2, 30.9, 31.6 AND 33.9MM SEATPOSTS TO LARGER SEAT TUBE DIAMETERS.

Specification

Miscellaneous
Model Year
Model Year
2026
Get in Touch

Transition Cycles
44B Castle Road
BEDFORD
MK40 3PJ

  • 01234 351154
Transition Cycles
Customer Services

Transition Cycles Limited is a company registered in England & Wales with company number 06566083.
Registered office: 15 Grove Place, BEDFORD, MK40 3JJ. VAT number: 933 3985 95.

Transition Cycles Limited acts as a credit broker and only offers credit products from Secure Trust Bank Plc. trading as V12 Retail Finance. Transition Cycles Limited is authorised and regulated by the Financial Conduct Authority. Our registration number is 793340. Credit provided subject to age and status.

©2026, Transition Cycles Limited.

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