Compass Bicycles is proud to be the sole distributor of SKF bottom brackets world-wide. Svenska Kugellagerfabriken (SKF) has been the leader in bearing technology since 1907. Today, SKF is the largest bearing manufacturer in the world, and their bearings are used in Formula 1 racecars and other high-end applications.
SKF’s ball bearings have been used on many of the best bicycles. Campagnolo’s famous ball bearings were made by SKF. Starting in the 1940s, Alex Singer and René Herse equipped their custom-made bottom brackets with pressed-in SKF cartridge bearings, because they were the best available.
When SKF decided to make bottom brackets, using the highest-quality bearings was a given. Bearings run smoothly only if they are kept clean and well-lubricated, so the company developed and patented custom seals that keep the grease in and contamination out. SKF designed the bottom brackets as completely integrated units. By running the balls and rollers directly on the spindle and shell, the design saves valuable space, allowing the use of larger bearings for greater strength and durability.
Why is this such a big deal? Many other high-end bottom brackets use standard bearings pressed onto the spindle and into the shell. There is only so much space inside a bicycle’s bottom bracket shell, so the ball bearings have to be much smaller (usually 2.8 mm diameter vs. 4.5 mm on the SKF). And many expensive bottom brackets don’t use any seals, relying on the dust seals of the bearings to keep them clean. These dust seals aren’t designed to keep out water… and they don’t. As a result, riders who ride through rain and snow have to replace their bearings annually.
SKF wanted to design a bottom bracket with a maintenance-free life expectancy of 10 years or 100,000 km (65,000 miles) under harsh conditions, so they had to address these concerns. They also made all parts from stainless steel or aluminum, so corrosion is not an issue.
With such an excellent product, SKF did not anticipate the difficulty of selling their bottom brackets. Without their own access to bicycle shops, the company relied on a variety of distributors world-wide, who often buried the bottom brackets deep in their catalogues. Without adequate promotion, sales lagged behind their targets.
When we heard that SKF might stop selling their bottom brackets, we offered to distribute the bottom brackets for the company. SKF bottom brackets will remain available directly from Compass Bicycles and through our network of quality bicycle shops. We are committed to keeping all available sizes in stock at all times. Below, you see our latest shipment from Germany as it arrived…
To reflect the superior quality of SKF bottom brackets, we have extended the warranty to 10 years or 100,000 km (65,000 miles), whichever comes first. This warranty includes the bearings. (We are unaware of any other maker of bottom brackets whose warranty includes the bearings.) We are confident that these are the best bottom brackets ever made, and we are proud to make them available to cyclists world-wide.
We now offer the Park BBT-18 installation tool, because it is important to use the correct tool when installing these bottom brackets. We aren’t making money on the tools (we sell them at a discount), because we want you to be happy with your SKF bottom brackets!