Steel Construction Bottom Bracket Cup Spacers Included

Features: *Replacement Accessories: There are a bottom bracket cap, ball bearing, inner locknut, outer locknut, and various spacers for a exercise bike bottom bracket replacement solution. *3 Types of Gaskets: Gasket A is outer diameter 4.05cm, inner diameter 2.45cm and thickness 0.3cm. Locking Gasket B is outer diameter 3.4cm, inner diameter 2.2cm and thickness 0.3cm. Screwed Gasket C is length 3.2cm, inner diameter 2.1cm and thickness 0.4cm. *Ball Bearing: The ball bearing measures 4.5cm in outer diameter, 3.1cm in inner diameter, and 0.9cm in thickness, with a ball diameter of 0.8cm (5/16inch), keeping smooth and efficient rotation. *2 Types of Locknuts: The inner locknut is outer diameter 4.5cm and inner diameter 2.3cm. The outer locknut is outer diameter 4.5cm and inner diameter 2.1cm. *Bottom Bracket Cap: The bottom bracket cap has dimensions of 5.5cm outer diameter, 5.0cm large inner diameter, 4.0cm small inner diameter, and a thickness of 1.6cm.

Specifications: Part Name:Exercise Bike Bottom Bracket Cup and Bearing Accessories Material:Steel Size: 4.5*3.1*0.9cm(ball bearing) Color:Silver

Package Content:

A Gasket: 1* gasket Ball Bearing: 1* ball bearing B Gasket: 1* locking gasket Internal Lock: 1* inner locknut External Lock: 1* outer locknut Cup: 1* bottom bracket cup C Gasket: 1* screwed gasket

Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.