**Product Specifications:**
**Brand:** LeBycle
**Model:** Quenching and hardening Professional Chain Breaker
**Design:** Extended screw design with quenching and hardening for precise chain cutting without deviation, no adjusting screw design for extended screw, patented product (Patent Number: ZL202130252689.8)
**Features:** Back of the chain breaker equipped with a thoughtful design, comes with 1 spare pin for increased longevity
**Material:** High carbon steel body and screw, carbon steel quenching and hardening for improved wear resistance and toughness
**Compatibility:** Suitable for single speed/6-12 speed bicycle chains
**Construction:** All-steel forging with precise thread cutting, no adjusting screw design for easy chain breaking
**Handle:** Ergonomic design with comfortable and even force distribution
**Length:** Screw length of 89mm for easier chain breaking
**Hardness:** HRC42° hardness tested for durability
**Certifications:** Appearance design patent certificate (Patent Number: ZL202130252689.8)
**Usage:** Secure chain, rotate screw to push out pin, replace pin if needed
**Additional:** Stainless steel chain hook included for chain retention during cutting, high strength and resistant to bending
**Note:** For detailed instructions on how to use the chain breaker, please refer to the instructional video or contact customer service.
