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Redshift Seatpost Shims

The Redshift Seatpost Shims will let you easily fit the 27.2mm Dual-Position Seatpost or ShockStop Seatpost into your larger seat tube. Drop the shim in your frame's seat tube and insert the seatpost. Once installed, the shim is essentially invisible.

Details:

  • Fits 28.6, 29.8, 30.0, 30.4, 30.9, 31.6, and 31.8mm outer diameter
  • Fits 27.2mm inner diameter
  • 100mm (4-inch) length spreads out clamping load along seatpost and frame

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The Redshift Seatpost Shims will let you easily fit the 27.2mm Dual-Position Seatpost or ShockStop Seatpost into your larger seat tube. Drop the shim in your frame's seat tube and insert the seatpost. Once installed, the shim is essentially invisible.

Details:

  • Fits 28.6, 29.8, 30.0, 30.4, 30.9, 31.6, and 31.8mm outer diameter
  • Fits 27.2mm inner diameter
  • 100mm (4-inch) length spreads out clamping load along seatpost and frame
** Winter Hiatus **

Our store is taking a seasonal break, so you won’t be able to add items to your cart. However, if you urgently need dynamo wheels and lights, or bikepacking bags, get in touch and we’ll be happy to assist you.

Have a fantastic winter!

About Us

Good Rotations is an independent online bikepacking and adventure cycling store.

If you are looking for a complete brevet or expedition setup, advice on gear, or help with finding the right bikepacking bag or dynamo system, we're here to assist.

Get in touch: hello@goodrotations.co