SHIMANO RC5 (RC500) SPD-SL SHOE Size:39 The Thudbuster G4 is the

The Thudbuster G4 is the most advanced suspension seatpost ever made

Port for remote sprinter shifter (pcs): 0

Seal: TLE

Compatible with front or rear

Zone Density shell construction adds compliance for optimal comfort and performance

SHIMANO RC5 (RC500) SPD-SL SHOE Size:39 The Thudbuster G4 is theLightweight, high performance road shoes with unparalleled power transfer. Features Surround wrapping upper structure reduces overlap, providing a glove like fit and eliminating hot spots Super low stack height helps stabilize foot, maximizes power transfer and efficiency Integrated sole and upper construction sets a new level of fit, stability, rigidity and lightweight performance Mesh TPU Synthetic leather composite upper provides comfortable fit