Features1The bolt is made of titanium, sturdy, anti deformation, and sturdy 2Precise machining ensures sleek threads and narrow thread spacing, can make it firmly hinge into the stem 3Fine finish and coating provide bright and delicate face with anti-rust performance 4With 40 sizes for you to choose, fits most bikes 5Useful accessory for cycle loversSpecificationFeatures:The bolt is made of titanium, sturdy, anti deformation, and sturdy.Precise machining ensures sleek threads and narrow thread spacing, can make it firmly hinge into the stem.Fine finish and coating provide bright and delicate face with anti-rust performance.With 40 sizes for you to choose, fits most bikes.Useful accessory for cycle lovers.Specification:Material: TitaniumOptions: Colorful-M6-30; Colorful-M6-35; Colorful-M6-40; Colorful-M6-50; Gold-M6-30; Gold-M6-35; Gold-M6-40; Gold-M6-50Thread: M6Diameter: Approx. 10mm / 0.39inLength: Approx. M6-30: 36mm / 1.4in; M6-35: 41mm / 1.6in; M6-40: 46.3mm / 1.82mm; M6-50: 55.8mm / 2.2inWeight: Approx. 36-39gPackage List:1 x BoltPackage List