NTN

Zero Friction Cycling, Fake Engineering
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The Murky World of ZFC Zero Friction Cycling: Botched Testing, Frigged Results

Byadmin

Zero Friction Cycling, run by former policeman Adam Kerin, presents itself as a trusted source for friction-reducing products, but behind the scenes, a lack of engineering knowledge and unverified testing methods raise red flags. Despite requesting sensitive industry data without doing foundational research, Kerin’s approach appears more focused on marketing high-margin products than adhering to rigorous engineering standards. His testing setup is flawed, and the data he presents, particularly in support of ceramic bearings and chain lubricants, lacks scientific backing. Is this the work of an expert or just another slick sales pitch?

Trifox WT11
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Trifox WT11 Wheel Review, NTN Bearings can’t overcome this CRAP.

Byadmin

9Velo is a relatively new company, but the individuals behind it have been in the carbon fibre wheel industry for a considerable length of time. These gravel wheels have some of the highest levels of manufacturing quality that I have ever seen. The hubs are probably the best ones you can buy; they make DT Swiss units look like rough copies in comparison.

9 Velo CD55
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9Velo CD55 Wheel Review: Quiet, Well made and Fast

Byadmin

9Velo is a relatively new company based in the Chinese coastal city of Xiamen. They are well versed in the manufacture of wheels with a claimed 50 years+ of combined engineering experience within the organisation. These CD55 wheels are the first to feature their new axial freewheel system which has up to 54 teeth of engagement. This is a well engineered wheelset and good value for money.

BB386 EVO Bottom Bracket
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Hambini Bottom Bracket Install: Yoeleo R12 Disc Kyro’s House

Byadmin

Fresh from YouTube is another Hambini Bottom bracket install. This time in a Yoeleo R12. This is a revision of the R11 bike Frame that The Unabiker had issues with and it highlights the problems of frame tolerances. The bottom bracket is made to much tighter tolerances than the frames they are pushed into.

Campagnolo Super Record Ultra Torque
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Teardown: Campagnolo Ultra Torque Crankset Mechanics explained in Depth

Byadmin

Campagnolo cranksets have a reputation of being well engineered and robust but they are not without their problems and quirks. This post explains one of those in detail which surrounds the myths of the preload system, the “safety clip”, the system stiffness (or lack of it) and the involved nature of a bearing replacement. Campagnolo Ultra Torque is found on many of the upper range of Cranksets including the Super Record and Record.

Bike Bearing Grease: A Practical Guide to Bearings and Assembly for Bikes
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Bike Bearing Grease: A Practical Guide to Bearings and Assembly for Bikes

Byadmin

Introduction Grease is an often talked about but little understood. It can have a significant impact on performance on a bike specifically in the area of transmission frictional losses (watts). This guide covers the practical aspects of using grease as a lubricant and as an assembly aid. Following a number of questions arising from a…

Bearing Terminology
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Ceramic Bearings vs Steel Bearings: An Engineering Analysis

Byadmin

One of the most controversial topics in the cycling industry is with regards the topic of Ceramic bearings and whether they do or do not reduce friction dramatically in riding. This article will address some of the concerns and topics associated with this debate and quantify the numbers. Internal Bearing construction – Ceramic bearings are…

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