Raleigh 20" x 1 3/8, 1 3/4, 500A Schrader valve Inner Tube TA450 £4.50 Raleigh 20" x 1 3/8, 1 3/4, 500A Schrader valve Inner Tube TA450 £4.50 In stock Description 20" x 1 3/8, 1 3/4, 500A Schrader valve (boxed)