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

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BB386 EVO Bottom Bracket

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.

Teardown: Campagnolo Ultra Torque Crankset Mechanics explained in Depth

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Campagnolo Super Record Ultra Torque

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: An Engineering Guide to abysmal manufacturing

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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 […]