Specifications Hign-concerned Chemical:None Type:MTB Bike Chains Origin:Mainland China X9EPT 9S Chain Product Description One Chain for AllThree mainstream speed transmission systemscompatible installation New X-waist angle quickly occludes smoothly Incomparable accurate adjustmentSimple and fast to complete in one go Must riding effortlessly chain maintenance is super easy All-weather chainProtective design without dead corners Excellent anti-rust and high efficiency pass 650-hour salt spray test Complied with the European and American certification environmental protection processInternational award industry affirmation Specification 1/2"x11/128" Applicable: , and other 9-speed bicycle transmission packages | 1x9, 2x9, 3x9 X9 9S Chain Product Description One Chain for AllThree mainstream speed transmission systemscompatible installation New X-waist angle quickly occludes smoothly Incomparable accurate adjustmentSimple and fast to complete in one go Specification 1/2"x11/128" Applicable: , and other 9-speed bicycle transmission packages | 1x9, 2x9, 3x9 Z9 9S chain Product Description High fitting strength to enhance wear resistanceChanging low noise experience is more upgraded Specification 1/2"x11/128" Applicable: , Campagnolo, and other 9-speed bicycle transmission system | 1x9, 2x9, 3x9