AHL Piston & Piston Rings Pin Clips Kit for Yamaha TTR230 TT-R230 2005-2015 (STD 70mm) Professional manufacturer,OEM parts fit the motorcycle perfect High quality material piston set,corrosion-resistant and durable Bore Size:STD 70mm;100% brand new,ensure the efficient operation of motorcycles Piston kit comes with one piston,one set of rings,one wrist pin,and 2 clips Quality Assurance!If you are not satisfied with our products,we accept all of the return,replacement or refund requests