Feature

●Metal material: mountain bike headset bearings use high-quality metal material, high-strength, durable, rust-proof and wear-resistant for long-term use.
●Areas of use: Mountain bike headset bearings available for standard fully hidden, semi-hidden and external headset bearings.
●Rubber seal: use a rubber seal ring to effectively prevent water and dust from entering, wonderful accessory for mountain bike, road bike.
●Size structure: the outer diameter of the bearing is 52 mm/2 inches, the inner diameter is 40 mm/1.6 inches and the thickness is 7 mm/0.3 inches.
●We trust our products and provide satisfactory support. If you have any problems or questions, please contact us, we will be happy to help you within 24 hours!


Description

Functions:
1. Adopt high-quality metal material, which is high-strength, durable, rust-proof and wear-resistant for long-term use.
2. Available for standard fully hidden, semi-hidden and external headset bearings.
3. Five types you can choose to meet your different requirements.
4. Use a sealing rubber ring to effectively prevent water and dust from entering.
5. Wonderful accessory for mountain bike, road bike.

Technical data:
Material: metal.
Color: As picture show
Optional size: approx.
41 x 30.2 x 6.5 mm / 1.6 x 1.2 x 0.3 inches.
41.8 x 30 x 6.5 mm / 1.6 x 1.2 x 0.3 inches.
47 x 34 x 7 mm / 1.9 x 1.3 x 0.3 inches.
49 x 37 x 7 mm / 1.9 x 1.5 x 0.3 inches.
52 x 40 x 7 mm / 2 x 1.6 x 0.3 inches.

Packing list:
1 x bearing.

Note:
The inner ring colour of the bearing is random.