Custom tapered butted and specially formed legs for improved grind and guard clearance 3/8 4mm dropout shape grind and peg clearance 7075 pre-load bolt 41-thermal and lifetime warranty 885g MX 20` Threadless 1-1/8` 165mm None Chromoly Black 32mm 30mm 3/8`UPC/EAN/GTIN: 630950131761