They are 35mm in diameter

so your kit may have one of either finish

Complete Show Bike Kit Chrome Allen Hardware fits 1970-1975 Harley-Davidson Shovelhead models

Accurately machined studs

User-Friendly Installation: Engineered for straightforward installation by riders of all skill levels

Step Up Seat - Lattice Stitched - fits 1977-2003 Harley-Davidson Sportsters Vendor_LAND They are 35mm in diameterFrom the early days of the Wheelie King to the present day, Saddlemen has been there to support talented riders with purpose built equipment to help them push the limits of both man and machine. The latest creation born out of this relationship is the Saddlemen Step Up seat. A beautiful blend of the rider and passenger comfort you have come to expect from Saddlemen combined with ergonomics required to keep the rider locked in place, providing the