K-Tech, drilled brake rotor stainless steel 11.5"

Rear left. 3.25" Bolt Circle Diameter, hole to hole distance 48.6mm. 3/8" counter bored mount holes. 56.3mm ID. Mount style 'B'. Rotor with black anodized 7075 billet aluminum center carrier. The outer band is made of high quality stainless steel. Note: Will physically fit both Big Twin (right side mounted) and XL Sportster (left side mounted) models but come in a right & left style for correct matching optical fitment.