Bicycle Bottom Bracket Remover 20 Teeth Square Hole Spline Repair Wrench Mountain Road Bike Spanner Wheel Puller Removal Tools Name: Bicycle bottom bracket tool Material: High carbon steel Specification: 20 teeth Application: square axis / spline axis Net weight: sleeve tool about 128g Net weight: anti-off tool about 63g Feature: * Upgrade high carbon steel higher hardness wear resistance long service life * Professional anti-off design makes the bottom shaft not easy to fall off making installation more firm and convenient * High compatibility 20 tooth downward compatible with 16 tooth slots and the longest compatible with 129mm bottom bracket * Improved the shape of teeth and slots protecting the bottom bracket not easy to break * Used in square axis and spline axis Package: 1 pc bicycle bottom bracket tool includes: "