Thomson Seatpost Clamp Clamp Diameter:29.8Mm Uses a square taper bottom

Uses a square taper bottom bracket

Ultra-smooth crankflip friendly drag mechanism

It features a brake track pattern for increased pad traction and recessed spokes with thermal dissipating paint the HS2 is a more powerful quieter rotor with best-in-class heat management

A stable ride - even with low air pressures

}Reserve Wheels Reserve 30 HD Rim - 27

Thomson Seatpost Clamp Clamp Diameter:29.8Mm Uses a square taper bottomDesigned 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 28. 6mm, 29. 8mm, 31. 8mm, 34. 9mm, 36. 4mm Color Black, Silver