Pndeyo 4pcs 1/4" x 9 Balls Bike Ball Bearing Retainer, Stainless Steel Bottom Brackets Bearings, Axle Wheel Ball Crank Bearings Repair Accessories for Mountain Low Speed Bikes- Black

Pndeyo 4pcs 1/4" x 9 Balls Bike Ball Bearing Retainer, Stainless Steel Bottom Brackets Bearings, Axle Wheel Ball Crank Bearings Repair Accessories for Mountain Low Speed Bikes- Black

• Size Detail: Bearing outer diameter is 29mm/1.14inch, inner diameter is 17mm/0.67inch, and ball diameter is 0.25inch/6.3mm. Please check the size of your bearing before ordering!
• Premium Material: These bike crank bearings are made of premium stainless steel, rust and corrosion resistant, with smooth ball that ensure fluent run, wear-resistant and high hardness, sturdy and strong for long service time.
• Practical Function: This stainless steel ball bearing is designed to replace bike crank bearing. Securely fitted within your bike's drivetrain components. You can regularly maintenance or replace your bicycle bearing before cycling or bicycle competitive race.
• Package Include: You will receive 4pcs black bike ball bearings, each with a 1/4in ball size and 9 balls per bearing. The sufficient quantity can meet your diverse needs of replace, suitable for daily maintenance or unexpected repairs.
• Wide Application: These bike bottom brackets bearings are suitable for most mountain bikes, road bike, low-speed bikes, BCA bike, stretch bicycle and so on, ideal for cycling enthusiast, professional cyclist and avid cyclist looking to enhance their riding experience.