... and be more competitive.6.Quality standard:ISO9001-2000,DOT,E-MARK,CCC,SONCAP,SNI.New factory with all the equipments ... or CENEW. But price is much more competitive.Send me E-mail, I can provide samples for you! Sell both motorcross ... 25-18, 3. 50-16, 3. 50-18, 4. 00-8, 4. 00-12, 80 / 90-18, 110-90-16, 80 / 90 ... , 275-21, 3. 00-8, 3. 00-10, 3. 00-12, 3. 00-14, 3. 00-16, 3. 00-17, 3. 00-18, 3. 00-19, 3. 25 ...