Features: Feature integrated oil cylinders structure, this hydraulic disc brake lever ensures reliable performances and prevents oil leakage. Equipped with a magnetic inductions Power Close feature and a waterproofs 2pin Connector, this brake lever enhances safety by cutting power when engages. Designs for handlebars with a diameter of about 22mm, these levers come with necessary tool for easily installation. Make from alloys, these brake levers boast excellent durability and a fashion appearance. Suitable for Electric bikes, fold bikes, and scooter . Specifications: Materials: Alloys Length: about 170mm/6.69inch Package Includes: 1pair Brake Handle note: Please allow 1-2cm errors due to manual measurement, make surely that you not mind before order. Due to difference between different monitors, the picture may not reflect the actual color.