Yokozuna Downtube Shifter Boss Mount 28.6/31.8mm
Note: Only items that are in stock can be added
to cart. Please call us at 800-245-9959 to get
inventory update or to place on backorder.
Allows bicycles without downtube shifter bosses to run downtube shifters.
• Clamps to 31.8mm or 28.6mm downtubes.
• Clamp and shims are aluminum.
• Threaded bosses are steel.
* Anodized black