A two stroke brake hose is attached to the nipple-fitting. Full size 1000 × 563 pixels A two stroke brake hose is attached to the nipple-fitting. Previous imageTo remove the pistons we made a special tool: Grease gun nipple fitting. Next imageMost of the rust removed, but the pistons are still completely stuck. Leave a Reply Cancel replyYour email address will not be published.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