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Service Course B2 Seatpost

5 out of 5 stars
3 Reviews
$42.00 - $60.00
Up to 30% off

Style & Size:


Service Course B2 Seatpost

The introduction of Zipp’s new Service Course line is a welcomed bit of relief from the black hole-esque dream-state we’ve been in with cycling’s carbon era. The Service Course B2 Seatpost, in Zipp’s new silver-finish, throws back to the classic, exposed steel and aluminum that soared to some of the greatest victories in the golden age of cycling. Designed with zero and 20mm offset positions, the Service Course B2 is ready for on and off-road miles and the two-bolt adjustability makes install and fine-tuning easy and convenient.


  • Brilliant new silver-finish for Zipp's trusted Service Course line
  • Stand out from the carbon-crowd on the lunch rides
  • Proven performance and durability for extended use
  • Offset position available for ideal fitting
  • Item #ZIPZ056
27.2, 31.6mm
0, 20mm
Claimed Weight
[31.6 x 350mm, 0mm setback] 8.9oz (252g)
Manufacturer Warranty

Overall Rating

5 based on 3 ratings

Review Summary

1 Stars - 0 reviews
2 Stars - 0 reviews
3 Stars - 0 reviews
4 Stars - 0 reviews
5 Stars - 3 reviews

Fits True To Size

Screen reader users: the following list provides a visual scale to illustrate the product fit. Please refer to the heading above for the fit type in text.
Runs smallTrue to sizeRuns large

What do you think about this product?


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5 out of 5 stars

February 24, 2024

Zippidy doo dah

I've used it several times

Good post and fairly easy to adjust saddle to perfectly level great price


Originally reviewed on Backcountry.com

5 out of 5 stars

January 12, 2022

Holds up your bum

I've put it through the wringer
Size Bought:
5' 10"

Accurately and attractively separates your saddle from your frame -- now in a very petty silver option

Anthony A
5 out of 5 stars

July 7, 2021

Perfect Saddle Holder Tool

I've put it through the wringer

This bad boy holds my saddle like a pro! It hasn't moved ever since I torqued it down! I would recommend this product if you want to keep your saddle in the same position and at the same height!

Kent L