The pistons and fittings on the Sport calipers were pretty much rusted solid. Full size 1000 × 563 pixels The pistons and fittings on the Sport calipers were pretty much rusted solid. Previous imageThe grease gun gives enough pressure to remove even the more stubborn pistons. Next imageWe used electrolysis to remove the worst rust. Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *CommentName* Email* Website Save my name, email, and site URL in my browser for next time I post a comment. Δ