Bearing Press Speed Spacer, 10mm x 30mm Another must-have tool for the busy bike shop. Our machined aluminum Speed Spacers take up extra space on our 3/8 bearing presses so you don't need to spin the handles as far to tighten things up. They also work in axle configurations where you need to press in a bearing over an axle. Length: 30mm OD: 21.8mm ID: 10.1mm Machined Aluminum Anodized Red Sold individually Compatible with BP0001 and BP0005