Our bottom brackets are manufactured for optimum performance and longest durability with top quality materials for road or mountain bikes

Using our bottom bracket allows the rider to save more energy and ride faster!

The press in bottom bracket, where the cups are aluminium inside the frame, ensure that you avoid any creaking sounds 

Made of Aluminum Alloy, and this bottom bracket is solid and durable with a long service time.

Dual silicone seal keeps the contamination out for longer life, easy installation.

Dcbikes Product Features :

Colour Black

Model 4129 BB

Outer diameter is Φ41mm on frame hole

Inner diameter is for Φ28. 99mm DUB Spindle 

BB length press fit for 86mm-92mm frame

Sealed Bearings or Ceramic Bearings 

Pressfit Bottom Brackets BB

For SH/f5/R0 φ28.99/28.99mm Sram Dub crankset

For BB 86 - BB 92 φ41mm Frame Shell

Inner diameter 28.99mm, outer diameter 41mm, length 86.5~89.5~92mm

2mm and 4.5mm Spacer is included

Weight 65g

Package Includes :

1 X New BB

Buy PF4129 BB86 BB92 29mm BB, Components & Accessories From Dcbikes® Online Bike Store www.dcbikes.com.sg | Singapore's Best Choice For Mountain Bike, Bicycle Parts Components & Accessories Shop