Features: Our 50 set road and mountain bike oil needle head, designs specifically for 5 models to ensuring perfect compatibilities. Craft from higher pressure resistant materials, these head offer great durability and stability even under rough ridings conditions, with precisions machining. Great for road cycling enthusiasts, mountain bike cyclists, bicycles maintenance technicians, and professional racers seek safe and efficient brake system part. Perfect for daily city commuting, casual ridings, competitive training, and outdoor biking adventure, providing secure brake hose connection in various environment. That light weight and corrosion resistant designs reduces bike weight while enhancing ridings performances, ensuring confidence and safety in various climates and terrains. Specifications: Materials: Copper+Silicone Color: As The Picture Shows Styles Optional: Five Styles is Available as Shown in the Picture. Size: As The Picture Shows Package Includes: 50 Set Bicycles Brake Inserts note: Please allow 1-3mm error due to manual measurement. Please make surer you not mind before your bid. Due to the differences between different monitors, the picture may not reflect the actual color to the item. Thanks!