Ridley Noah Spacer 8 mm for seat post black road bike Fast seat clamp - NEW Original Ridley Spacer for the seat post of the Ridley Noah with a height of 8 mm. Model Features: Manufacturer: Ridley suitable for Ridley Noah Spacer for fine adjustment Height: 8mm Color: Black Internal width: 30mm External width: 33.5 mm Internal length: 43.5mm Length outside: 50 mm