Michelle Arthurs-Brennan – Tweets sex acts and flouts lockdowns, Racist Cycling Weekly Journalist

Michelle Arthurs-Brennan is allegedly the technical writer for the UK cycling magazine, Cycling Weekly. The use of the term "allegedly" because the general opinion of the internet is, she has the technical knowledge of a burger flipper. She regularly updates her twitter followers with pointless tweets that are typical of those millennials addicted to social media. A cursory scan of this and her website, leads to the conclusion she is married and is around 30 years old. She has no formal technical qualifications…


Testing to Find the Fastest Bicycle Wheels

***Please note the graph and the data on this page will no longer be updated. The main issue being the control tyre is no longer manufactured by Continental. Additionally, test methods have moved on and Dnitriev number will be used as the basis for future testing*** Precursor - The critics and those with a vested interest I have added this section to the start of this blog post. The method this test uses is called transient state and it is used when aerodynamics…


Hambini Bottom Brackets get roasted: Bottom Bracket Review and Quality Control

This video uploaded by some youtuber Peak Torque shows a Hambini BB having it's engineering tolerances judged. Some key points It's a BB86 Shimano Racing Edition Bottom BracketThe bottom bracket tolerances are accurate to 0.005mm, that is less than the diameter of a human sperm cell.The eccentricity was found to be 0.010mm (0.0005inch), the recommended tolerance was 0.1mm. It was therefore 100 times more accurate than the specification allows. https://youtu.be/Yrr9qKwWtho


Warning: Fake Loctite Products

One of my viewers contacted me about an issue he was having with the installation of a set of NTN bearings. He purchased what he believed to be Loctite 641 from an online supplier, this was promptly delivered with a label indicating it to be "high strength". This is incorrect as high strength Loctite is 638. This Loctite was confirmed to be counterfeit by Henkel. The photograph above shows the counterfeit Loctite. The quality of the packaging and label is an almost exact…


Hambini Roasts: Cervelo

If you are about to buy a Cervelo bike, watch this video. It shows the appalling tolerances the bike frames are made to. The bottom bracket pressfit specification is so bad, neither NTN or SKF will warranty their bearings in it. https://youtu.be/GWDztuezn0g Cervelo Bike Frame fixed This particular frame had misalignment between the two halves of the frame body.


Warning: Counterfeit/B Grade SKF and NTN bearings

I have had a number of cyclists contact me with issues around NTN and SKF bearings being fitted at bike shops and failing within a fairly short period of time. A number of these cyclists have sent me the bearings back to look at and I have found a large number of bearings to be counterfeit or B grade. Counterfeit Bearings These bearings are units that have been made by a third party and then subsequently badged with a named brand eg SKF,…