Thomson Masterpiece Setback Seatpost - Black Size:30.9mm SRAM RED eTap 11-speed electronic

SRAM RED eTap 11-speed electronic groupsets

Colour: Black

are harder to pinch-flat

Compatible with the SRAM Chainspotter (available separately)

Replacement chainrings in 110mm and 130mm BCD for SRAM Yaw™ 11-speed road cranks

Thomson Masterpiece Setback Seatpost - Black Size:30.9mm SRAM RED eTap 11-speed electronicThe Masterpiece is over 40% stronger on ultimate strength tests than the strongest production seatposts on the market. Masterpiece posts weigh approximately 40 grams less than the same size Elite post. This weight reduction is accomplished while maintaining the strength and durability expected of a Thomson seatpost. Thomson accomplishes this weight reduction by machining the seatpost all over, including the oval inner diameter. We are able to hold