Individual reports are available for $7.95 each. If purchasing two or more reports, we suggest purchasing a report package for $14.95, which includes each of the 15 individual reports plus the Top-Ten summary report.
Seven lubricants of various viscosities were tested at low and high fill levels on three pairs of BB30 bottom bracket bearings to measure the frictional losses of each combination. In another series of experiments, bearing seals were removed from the BB30 bottom bracket bearings to measure the effects of bearing seals on frictional losses. A total of 45 different lube, bearing, fill, and seal combinations were tested.
Friction Facts and Velo Magazine teamed up to test the efficiency of 55 common and not-so-common chain lubes. Lubes range in efficiency from 4.6 to over 9 watts. This report contains both lube tests as seen in Velo (March 2013 and March 2014) and an additional summary graph compilation with all 55 lubes for quick viewing
We tested 19 models of 11T derailleur pulleys to determine which pulley models and pulley bearing technologies are most efficient. With a difference of 1.34W between the most and least efficient models tested, you'll want to download this report to see which pulley will get you to the finish line fastest.
We tested the Berner Ceramic Oversized Derailleur System, RALTech, and DA oversized pulleys vs traditional 11T derailleur systems to see if the products' efficiency claims were true. We also tested the oversized theory in general by using stock pulleys of various sizes and similar bearings.
We examined 3 brand new, high-end, 10sp chains to determine how an 8-hour break-in affected the average efficiency. How much improvement in efficiency can be gained? Download the report to find out why you don't want to race on a brand new chain.
We tested 5 high-end chains (sample pool of 25 chains) with the factory-provided lubrication to determine which chain is the most efficient out of the box. The results show a 3.12W difference between most and least efficient models. Download the report to find out which new chain is the most efficient.
We took the 5 high-end chains from the 'Chain Efficiency Test- Factory Lube' test and cleaned them of their factory-provided lubrication/preservative. We then re-lubed all 25 samples with a basic oil and tested them to see how the chains performed with the factory lube variable removed. Download the report to see how each model of chain performs after re-lubing.