ZTTO 928Y Lightweight Steel MTB Road Bike 9 Speed 11-28T Cassette Flywheel Color:As Shown • Material: S2 alloy steel

• Material: S2 alloy steel (drill bits)

• Lens Cap: Included

• 【360° Ball Head Design】Features a universal ball head with 360-degree rotation and multi-angle adjustment capabilities for precise equipment positioning and enhanced shooting efficiency

• Compatibility: For GoPro Hero 9/10/11/12/13

• Anti-drop and anti-shock: Anti-shock effectively protects the screw hole at the bottom of the camera

ZTTO 928Y Lightweight Steel MTB Road Bike 9 Speed 11-28T Cassette Flywheel Color:As Shown • Material: S2 alloy steelFeatures & Specifications Enhance your road cycling performance with this 9 speed cassette, offering seamless gear transitions and optimal power transfer for a smooth and efficient ride Featuring an 11 28T configuration, this cassette provides a wide range of gear options to tackle various terrains and gradients, ensuring you're equipped for both flat stretches and challenging climbs High tensile steel plate nickel chromium treatment, hollow design,