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Zipp Service Course SL Seatpost

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Product Details

The updated Zipp Service Course SL Seatpost has had a full redesign and instead of the aluminium tube like the old model had, the new version now comes with carbon tubing.

  • Material: unidirectional carbon, AL-7050
  • Length: 400mm
  • Diameter: 27.2 or 31.6mm
  • Torque for saddle rails: 7.0Nm
  • Weight: 249g

The carbon Service Course SL Seatpost has been specifically tuned to be more shock absorbing than the “comfort” seatposts on the market, while still passing Zipp’s strict internal MTB strength test. Flex engineered into the lightweight carbon tube keeps the rider comfortable over any terrain. Better fit means better performance, and if your saddle is out of position, you’ll waste energy with every pedal stroke. 

The secure, two-bolt clamp makes for easy micro-adjustments of saddle position, and the head has been redesigned for maximum bolt head accessibility. With 0mm and 20mm setback options, it’s possible for nearly any rider to achieve the perfect fit, and the clamp works with all saddle rail types. Torque for the seat rails is 7Nm and the minimum insertion length is 100mm.


MPNZPSP8034000, ZPSP8034003, ZPSP8035000, ZPSP8035003, ZPSP8035002, ZPSP8035004, ZPSP8035001, ZPSP8034002, ZPSP8034004, ZPSP8034001

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Delivery & Returns

UK Mainland Delivery Prices

Delivery TypeCostEstimated Delivery Time
Standard Delivery for orders under £29.99from £0.592-3 working days from day of despatch
Standard Delivery for orders over £29.99Free
Express Deliveryfrom £0.83Order before 4.30pm Monday to Friday for next working day delivery
Special Deliveryfrom £11.94
Click & Collectfrom £5.94Collect your parcel from a local post office. 2 - 3 working days from day of despatch

For international shipping please visit our delivery page.

For information about returning an item please visit our returns page.