Bottom Bracket

Ceramic model: aluminum alloy + aluminum alloy + ceramic bearing
Ordinary model: aluminum alloy + nylon + steel bearing
The ceramic model will be presented with a 24mm To 22mm adapter,Can fit 22/24mm crankset,Ordinary models do not give away, only suitable for 24mm crankset~

Features:

Made of aluminum alloy material, light weight and high strength.
Steel bearing: Made of high-quality steel, durable, rust-proof and wear-resistant
Ceramic bearing models:
Sealed ceramic ball bearings provide higher speed performance and longer service life
Precision ceramic bearings are 120% harder for an ultra-smooth and quiet ride,
and has maximum durability. Minimized friction, remarkable power transfer efficiency ensures seamless, consistent performance with every ride. Sealed ceramic ball bearings provide higher speed performance and longer service life

Turn Smoothly,Easy Jo Install And Operate Make Pedaling Easier
Provides Greater Pedal Force Transmission

Designed For a Smooth Ride Waterproof,Dustproof And Efflclent, With Minimal Friction Maximum Sifness And Remarkable Power Transfer Eficiency Ensures Seamless, Consistent Performance Every Ride

Provides a Precise, Secure Fit To Your Frame Than Common Molded Plastic Housings Provides Better Durability And Strength

Steel Bearing：Made Of High-Quality Steel,Durable, Rust And Wear Resistant
Ceramic Bearing：Sealed ceramic ball bearings Provides higher speed performance longer service life

Frequently Asked Questions
1. We Deliver Within Two Days After Payment (Except Holidays)
2. If You Have Not Received The Package For a Long Time, Please Feel Free To Contact Us And We Will Track Your Items. If You Can’t Receive It, We Will Refund In Full, Please Don’t Worry

Guarantee
1. For Items Shipped By Mistake, Please Contact Us After Delivery. We Will Refund All Money Or Resend It For You.
2. For Products With Defects Or Wrong Colors, Please Take Photos Or Videos, And We Will Refund All Payments Or Resend For You After Confirmation.

Feedback
1. If You Are Satisfied With Our Products And Services, Please Leave Your Positive Feedback And 5 Stars. Please Let Us Know And We Will Give You a Discount On Your Next Order.
2. If You Are Not Satisfied With Our Products, Please Contact Us Before Leaving Negative Feedback. We Guarantee That We Will Make Every Effort To Solve The Problem. Thank You.