RAM-B-342U Cycle Stem Base is designed to fit into the cylindrical bore wall of fork stems and will work with stems that measure from 12 - 18mm (.5" – .71") at the following intervals:
Metric: 12, 14, 16, 18mm
Standard: .5" - .55" - .63" and .71"
Note: For fork stems 20mm and 28mm (.79" and 1.1") in diameter or for an extra stem mount hardware pack, add the to your order.
Material: Powder Coated Marine Grade Aluminum
Ball Size: 1" Rubber Ball "B" Size
Note: Certain motorcycles require adding electrical tape to the area of the plug that is the largest diameter until it fits snugly in the stem. The "U" in the part number reflects product packaged in poly bag. RAM recommends that you review the installation instructions for this part prior to ordering.