Key features

• •1️⃣ What You Will Get: You will get 50pcs 10 kinds of bike bearing retainer kit, including 5pcs 1#, 5pcs 2#, 5pcs 3#, 5pcs 4#, 5pcs 5#, 5pcs 6#, 5pc 7#, 5pcs 8#, 5pcs 9#, 5pcs 10#, all items are packed in a plastic box.
• •2️⃣ Dimensions and Specifications: 1# OD: 23mm,ID: 12mm, Ball Dia:5mm; 2# OD:24mm, ID:14mm, Ball Dia: 6mm; 3# OD: 29mm, ID: 19mm, Ball Dia: 6.3mm; 4# OD: 30mm, ID: 22mm, Ball Dia: 5mm; 5# OD: 34mm, ID: 25mm, Ball Dia: 6mm; 6# OD: 36mm, ID: 27mm, Ball Dia: 3.9mm; 7# OD: 37mm, ID: 30mm, Ball Dia: 3.9mm; 8# OD: 39mm, ID: 25mm, Ball Dia: 7.9mm; 9# OD: 40mm, ID: 33mm, Ball Dia: 3.9mm; 10# OD: 45mm, ID: 30mm, Ball Dia: 7.9mm
• •3️⃣ Quality Material: Our road bike crank headset retainers are made of quality alloy metal, not easy to break, rusting or corroding. These bike wheel bearings retainers are very durable and sturdy to use, promising long-time used.
• •4️⃣ Item Feature: This ball bearing retainer is suitable for bicycle headset assemblies with an inner diameter of 4mm to 8mm (1/6" to 1/3"), compatible with numerous bicycle models, making it an ideal replacement part.
• •5️⃣ Wide Application: Bike bearing retainers are versatile and suitable for a wide range of applications. Versatile headset bearings retainer are suitable for ordinary bicycles, mountain bikes, MTB bicycle, stretch bicycles, low-riding bikes, stretch bicycles.