LEBYCLE | LEBYCLE Professio Bicycle Chain Breaker Bike Chain Cutter For Bike 1~12 Speed Chain Installation And Removal Tool

LEBYCLE Professio Bicycle Chain Breaker Bike Chain Cutter For Bike 1~12 Speed Chain Installation And Removal ToolMAX-Chain BreakerStainless steel body with a high-hardness 65Mn thimble (HRC60±5°)Smooth chain breaking with a built-in transmission steel ballProduct Information //Name: Max-Chain BreakerMaterials: Stainless steel + aluminum alloy + 65Mn steelWeight: About 600gApplicable: Single-speed/6/7/8/9/10/11/12-speed chainFeatures:Extended handle (126mm) and thickened base (30mm) with sandblasted surface for better grip. The thimble is made of 65Mn steel with a hardness of HRC60±5°. The screw rod is equipped with a built-in transmission steel ball to reduce friction, deliver smooth power transmission, stabilize the structure, and improve breaking efficiency.Includes:Chain breaker1, spare thimble2, instruction manual*1Precision Threads for Chain Breaking without MisalignmentFeatures M12 precision threads for enhanced force transmission, smooth chain breaking, and without misalignment. High-concentricity design ensures smooth operation and improved efficiency.Visualized designThe chain rivet drive-out depth is clearly visible for precise control of the thimble stroke, ensuring more efficient and stable chain breaking.For Shimano Chain Pin Snap-Off Notch Design:After using the chain breaker to press in the new pin, excess material can be easily snapped off via the dedicated notch on the tool's back, ensuring a convenient and efficient experience for all pin-type bicycle chains.High-Hardness 65Mn ThimblePrecision-machined from 65Mn steel, with hardness far exceeding ordinary chains (HRC30~45°). Hardness tested at HRC60±5°, ensuring the thimble is wear-resistant and built to last.Transmission Steel Ball for Enhanced Structural StabilityThe screw rod features a built-in transmission steel ball for optimized friction, precise force transmission, and enhanced stability, ensuring efficient and accurate chain breaking.Extended Handle/Thickened BaseThe 126mm extended handle paired with the 90mm thickened base provides an ergonomic design for effortless chain breaking.