Thomson Bolt-On Seat Clamp 34.9mm 1-3/8" Silver Length-375 Flat Protection Tread Color Black

Flat Protection Tread Color Black Defined Color Black ISO Width (mm) 53 ISO Diameter 559 / 26" MTN Tire Intended Use Mountain Tire Diameter 26" Tire Bead Wire Labeled Size 26 x 2

while the F3 model is made for softer

1 Includes piston assembly

fits Tektro Lyra IOX

Lasts the life of the inner tube/tire

Thomson Bolt-On Seat Clamp 34.9mm 1-3/8" Silver Length-375 Flat Protection Tread Color BlackDesigned to have the best combination of light weight, strength and durability Made from the same 7000 series alloy as Thomson seatposts and stems Made in the USA. 30g (34. 9mm) Model Seatpost Collar Diameter 34. 9mm Color Silver Clamp Diameter 34. 9Mm