A user from Australia sent these video clips in showing the before and after on his SRAM Quarq dub power meter crank set axle. As always, an unloaded test is not a good indicator of loaded performance but it does highlight good alignment
Here is after
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?
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.
This bargain Velobuild Pinarello lookalike bike frame arrived at Hambini HQ with high expectations. They were quickly dashed when a string of faults was found, accompanied by fairly comical claims of what is and is not acceptable by QA standards.
Cycling aerodynamics in recent times has been dominated by “wind tunnel data” used by vendors to highlight the benefits of their particular wheel or frameset. This data has often been shrouded in marketing spin accompanied by some lavish blurb about yaw angles. However, there has been a recent trend towards discounting this data or at…
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.
This article will cover the technical and engineering aspects of SRAM GXP. Sram GXP is a very popular crankset standard used by SRAM. It offers an industrial based bearing arrangement and was touted as having the lowest weight and rolling resistance of any crankset bottom bracket standard. The engineering will be analysed in detail. Currently…
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Off Subject here. I’m trying to convert a Bontrager front disk wheel over from a quick release to a 15 mm through axle. The bearing that is presently in there is a unsealed roller that has an external rubber seal on the quick release axle. The bearing bed measures to 24.75. (I have to eyeball this with a Vernier) Is there a bearing that fits this and has the proper clearance for a 15 mm through axle?
Bought a Scott scale 900 RC worldcup N1no colours hardtail model 2019. The pressfit SRAM Eagle dub bearings in the BB do not run smooth. I want to change the bearings but cannot find how. Which Hambini bearings can I use for racing and how do I handle the plastic cap that covers the bearings without risk of destroying it.