Check the listing for details. Pyramid MOUNTAIN/ROAD BIKE SEAT POST CLAMP 34.9 Silver 51632. Color: Silver, Condition: New. Listed at 11.00 USD. Upgrade your bike with this Pyramid Mountain/Road Bike Seat Post Clamp. Made of high-quality aluminum material, this clamp fits seat posts with a diameter of 34.9mm and comes in a sleek silver color. It is compatible with road bikes and features a set that includes a seat post clamp. The brand Pyramid is known for its excellent manufacturing and this product is no exception. Manufactured in Taiwan, this seat post clamp is a great addition to your bike components. So, whether you're a professional or just a casual rider, this Pyramid Mountain/Road Bike Seat Post Clamp is perfect for you. New old stock. I recently bought all the old stock from an old local bicycle shop. So follow me for more great nos finds for you road, bmx or mtb. Please closely review all pics to self assess contents/condition Please msg me with questions