Feature

●ALUMINUM OUTER FRAME: Bike bottom bracket set is made of aluminum alloy frame for slippy pedaling, noise reduction, light weight and high strength,solid and durable with a long service time, works excellent, the ease of operation, the use safe reliable.
●DUSTPROOF AND WATERPROOF: Bottom bracket set keeps the lubricant in the bearing, which is dustproof and waterproof ,and maintenance-free sealed cartridge bearing design, prolongs the service life, and suitable for harsh riding environment.
●SEALED STEEL BEARINGS: Bicycle bottom bracket set is an integral sealed steel bearing, which prolongs the service life and is not easily damaged.Applicable frame tube diameter approx. 41mm/1.6in.
●NO LOOSENING EASILY: Bike bottom bracket spacer strengthens lateral stability, not easy to loosen, and rejects abnormal noise.And bottom bracket system can protect the frame, more power output, its better than ordinary structure bottom bracket.
●PRECISE MACHINING: Bottom bracket spacer is precise machined and has a high strength center shaft with good sealing performance, making it the perfect accessory.Integrated structure has no abnormal noise, with no gaps to prevent the assembly stuck, safe for use.


Description

Specification:
Item Type: Bike Bottom Bracket Set
Material: Aluminum Alloy, Sealed Bearings
Applicable Frame Tube Diameter: Approx. 41mm/1.6in

Package List:
2 x Bike Bottom Bracket Set
1 x Spacer

Note:
Please allow some error due to manual measurement.