Please ask any questions BEFORE purchase to discuss any concerns you have about this item. Please see all pics. More pics available upon request. No returns on used, "for parts or not working", or vintage items. IF YOU HAVE FEWER THAN 10 FEEDBACKS, PLEASE CONTACT ME BEFORE BIDDING OR BUYING. THANK YOU. Item Description: Vintage Shimano 600AX aero stem. 22.2 quill insertion, 25.4 bar clamp diameter, 100mm extension. In decent cosmetic condition, and in full working condition. Has the original plastic top cap, which is fragile, brittle, and missing a chunk. This was on a Koga Miyata bike, and has KOGA branding on each side. These are just stickers, so they could be removed. Payment and shipping terms: Buy It Now listings require immediate payment. If I accept your best offer, please pay within 72 hours / 3 calendar days. Auction style listings, please pay within 72 hours / 3 calendar days from the end of the auction. I will only ship to an Pricetronic / Paypal Confirmed address, so please make sure your shipping information is CURRENT and ACCURATE. Shipping in the USA is by USPS. NO INTERNATIONAL SHIPPING, AND I DO NOT USE EBAY GLOBAL SHIPPING. Other Terms & Conditions: Unless otherwise specified in the ITEM DESCRIPTION, I will ship within 3 business days after payment has been received. Saturdays, Sundays, and any holidays are not business days, although sometimes I am able to ship on Saturdays. If a tracking number has been issued for your purchase, in most cases it will be picked up by the postal system (or delivered by me to FedEx or another shipper, if applicable) the following business day. I do not charge any additional handling or packing charges, and I combine shipping when possible. No returns on used, "for parts or not working", or vintage items.