About Quality: HKOO Brand are well known for high quality product with a BOW DOWN price. We guarantee 100% money back if you are not satisfy with the quality. About After Sales Service: We have a friendly and dedicated support teams to handle any problems you come up with our products. Please contact us first via email or message for replacement, refund or technical problem caused by any reason. We promised you won't lose one cent on shopping with HKOO Brand. About HKOO: HKOO was established in 2016. We are the fastest growing company who specialized on motor aftermarket parts. We design and manufacture parts for scooter, ATV, mini bike, motorcycle, gas engine replacement with standard that is over the original manufacture quality