PROFESSIONAL FUNCTION: This locking spanner is designed for removing the notched bottom bracket cups on older bicycles. Removable left side bottom bracket bearing (remove counterclockwise, install clockwise)
RANGE APPLICATION: The locking spanner is universal for 2-3-4 notched bottom bracket cups on old style bikes, fits between 40-50mm outside diameter. There may be a slight error, but simple and practical, avoid too many cumbersome tools
MATERIAL: Made of high quality 50 medium carbon steel material, widely used in industry, hardened and heat-treated for high strength and toughness, durable and reliable performance
ERGONOMIC DESIGN: TRP thermoplastic rubber material grip, comfortable to hold, professional size, easy to force, not easy to slip with use
EASY STORAGE: With storage hanging holes, you can hang it on the tool wall or put it in the storage box