Feature

●ALUMINUM ALLOY OUTER FRAME: Bottom bracket is made of aluminum alloy frame, slippy pedaling, reduce noise, lightweight while maintaining strength,solid and durable with a long service time, works excellent, the ease of operation, the use safe reliable.
●ENHANCED LATERAL STABILITY: Road bike bottom bracket strengthens lateral stability, not easy to loosen, and refuses to make any noise.And bottom bracket system can protect the frame, more power output, its better than ordinary structure bottom bracket.
●DUST AND WATER RESISTANT: Bottom bracket keeps the lubricant in the bearing, good dustproof and waterproof,and maintenance-free sealed cartridge bearing design, prolongs the service life, suitable for harsh riding environment.
●PRECISE MACHINING: Bicycle bottom bracket is precise machined for long life and has a high strength center shaft with good sealing performance.Integrated structure has no abnormal noise, with no gaps to prevent the assembly stuck, safe for use.
●EASY TO INSTALL AND USE: Cycling bottom brackets are light in weight, small in size and easy to install and use. Applicable frame tube diameter is t47.Compatible frame five way width approx. 68-73mm / 2.7-2.9in.Great accessory for bicycle lovers.Integrated design, higher performance.


Description

Specification:
Item Type: Bottom Bracket
Material: Aluminum Alloy, Sealed Bearing, Nylon
Inner Diameter: Approx. 30mm/1.2in
Outer Diameter: Approx. 47mm/1.9in
Applicable Frame Tube Diameter: T47
Compatible Frame Five Way Width: Approx. 68-73mm / 2.7-2.9in

Package List:
1 x Bottom Bracket

Note:
Please allow some error due to manual measurement.