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Service Course SL Seatpost - 2017 Model

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Zipp's Service Course SL Seatpost delivers amazing adjustability without the extra weight. The ample 20mm setback and micro-adjusting downward-facing bolts allow you to dial-in your perfect position with almost any saddle, and maximize power output with every pedal stroke.

The shaft and head are 3D-forged from a single piece of 7075 aluminum resulting in an impressive strength to weight ratio. The Service Course SL seatpost also uses titanium bolts and an intricate machining process to shave a few additional grams off the regular Service Course model.

Claimed weight for the Service Course SL seatpost is 270 grams. Available in 27.2mm and 31.6mm diameters. 330mm lengths. Available color: Gloss Black and Beyond Black.

Zipp Service Course SL Seatpost
A newer version of this product is available.

Seatpost Type: Rigid 


Length: 350 mm


Clamp Type: Two Bolt 


Setback: 20 mm


Material: 7075 Aluminum 


Made in: Taiwan 

Ordered by Most Relevant First
5 stars
4 stars
3 stars
2 stars
1 stars
Great Seat Post for a good price..
by Tim
Cycling Enthusiast
0 of 1 customers found this review helpful.

This seatpost is an excellent choice. Looks great too.

Reviewed 10/22/2018
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Good Seat Post
by Madison, NC Rider
Cycling Enthusiast
Madison, North Carolina
2 of 3 customers found this review helpful.

This seatpost is working well. It is easy to adjust and has me in a better position. It fits my bike well since I don't have a lot of exposed seatpost; a seatpost which angles back would not work. I was having some creaking from my saddle when I was using my prior seatpost with no set back but I no longer have any creaking. I don't know if this is from a better positioning of the saddle or if I have it tightened down better, I had greased the rails when I put it on my old seatpost.

Reviewed 4/24/2017
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