Dilwe Bicycle Bottom Bracket - High Compatibility, Waterproof & Quiet Bike Bottom Bracket for Mountain Bikes - Perfect for Trail Riding, Commuting & Off-Road Cycling

Feature: Preminum Material: Bottom bracket is made of high-grade aluminum alloy material, and with delicate workmanship, which is sturdy and durable and has a long service life. Wide Applicaption: Aluminum alloy bottom bracket compared with the traditional bottom bracket, it has higher compatibility, better waterproof performance. And it is preferred by the bike lovers and hobbists. Reasonable Deasign: Bottom bracket connects your crank and protects the smoother and durable application of the power transmission system. And it brings much convenience, saves time and efforts. Easy Operation: It is super easy to install, stable rotation, convenient installation and operation, and better quietness. And it can help improve the overall comprehensive performance. Wonderful Replacement: Better airtightness, enhanced by T47 characteristics of the sealed waterproof tube, strong waterproof performance. And it is a wonderful upgrade replacement. Specification: Item Type:Bottom Bracket Material: Aluminum Alloy Outer Diameter: Approx. 47mm / 1.9in Inner Diameter: Approx. 29mm / 1.1in Bottom Bracket Shell: Approx. 86.5mm / 3.4in Package List: 1 x Bottom Bracket 2 x Washer

Preminum Material: Bottom bracket is made of high-grade aluminum alloy material, and with delicate workmanship, which is sturdy and durable and has a long service life.

Wide Applicaption: Aluminum alloy bottom bracket compared with the traditional bottom bracket, it has higher compatibility, better waterproof performance. And it is preferred by the bike lovers and hobbists.

Reasonable Deasign: Bottom bracket connects your crank and protects the smoother and durable application of the power transmission system. And it brings much convenience, saves time and efforts.

Easy Operation: It is super easy to install, stable rotation, convenient installation and operation, and better quietness. And it can help improve the overall comprehensive performance.

Wonderful Replacement: Better airtightness, enhanced by T47 characteristics of the sealed waterproof tube, strong waterproof performance. And it is a wonderful upgrade replacement.