Cranksets

Verve Infocrank
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Verve Infocrank – was it defective? The manufacturer doesn’t know or Care!

In the world of cycling, reliability and customer service are paramount. The recent video from the Hambini YouTube Channel sheds light on a troubling experience with Verve Cycling’s Infocrank. A Tale of Frustration The video dives into the exasperating experience of dealing with Verve Cycling’s Infocrank. The product failed to meet expectations, and the company’s…

Shimano Dura Ace Crankset Failure
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Shimano Crankset Failures: An Engineering Analysis

Introduction Shimano have had some issues with their high end cranksets in recent times. It seems as though the Ultegra and Dura Ace cranksets are the primary units affected. There have been many reports of the cranksets fracturing in half. Some of these have been under modest load on turbo trainers whilst others have been…

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

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

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.

SRAM GXP Cranksets: An Engineering Guide
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SRAM GXP Cranksets: An Engineering Guide

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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