4PCS Blcak Bicycle Rear Hub Cups3/8inch Bicycle Accessories Bike 1/4” X 7 Balls Bearing Retainermountain Bicycle Bearing hub for Mountain Bikes,Road Bikes, Training Bikes

product name: Bicycle Rear Hub Cup Bicycle Ball Bearing RetainerBicycle Rear Hub CupMaterial: Carbon steelColor: blackSize:Outer diameter: 30.5mm/1.2inchInner diameter: 27mm/1.06inchHole diameter: 13.5mm/0.53inchHeight: 10.8mm/0.42inchBicycle Ball Bearing RetainerMaterial: steelColor: SilverBearing outer diameter :25 mm /1 inch, bearing inner diameter :12 mm /0.47 inch, ball diameter :6 mm /1/4 inchCan be used for mountain bike quick repair, front hub axle quick release, mountain bike, training car and so on.You can use it to make quick repairs to your mountain bike. Perfect for cycling enthusiasts, your best choice.Suitable for road cars, mountain bikes, mountain bikes, BMX bikesPacking contents: 4 PCS Bike Hub Cups and 4 PCS Bicycle Ball Bearing RetainerAttention:Keep parts away from children.Manual measurement, please allow the item to have a small size error.The actual color may be slightly different due to the different screen display.

• Bicycle rear hub cup and Bicycle Ball Bearing Retainer are made of high quality carbon steel, strong, rust resistant, corrosion resistant, long service life, durable, not easily broken or deformed, to meet your long-term needs.
• This bike hub cup is suitable in size, light in weight, convenient for your installation, simple and fast, will not take up too much time and energy, and sufficient quantity can meet your daily use and replacement needs.
• Bike hub cup is suitable for bicycle hub drum front axle and rear axle, practical and functional, bring you a lot of convenience, very suitable for Christmas, Halloween, Valentine's Day and other holidays to give family, friends, colleagues and so on.
• Mountain bike bearing hubs are used to fix and support the rear wheel of the bike to reduce wheel friction and ensure the stable and smooth operation of the wheel.
• This bike part is suitable for most length matching bikes, mountain bikes, variable speed bikes, training bikes, etc. The best choice for bike lovers, you can use it to quickly repair your mountain bike. Very suitable for cycling enthusiasts, your best choice, sufficient quantity can meet your diverse needs of replacement bicycle parts.