Proven Airtight Butyl Rubber Quality - Guaranteed Duro Branded Inner Tubes;Re-enforced valve seam - Reduces tearing around the valve;Presta extra long valve - 52mm length for deep section rims;Fits 700c tyres (18mm, 19mm, 20mm, 21mm, 22mm, 23mm widths);Fastest delivery via letterbox flat-packing - Brand new without box

• DURO Branded Cycle Inner Tube - 700 x 18-23c - For Road/Racing Bikes - (52mm LONG Presta Valve)

DURO Branded Cycle Inner Tube - 700 x 18-23c - For Road/Racing Bikes - (52mm LONG Presta Valve)Duro