From July 01 2021, VAT regulations within EU countries will be changing. All items sent to EU countries will incur VAT and deliveries of a value below €150 will require small businesses to be registered for VAT in EU countries. Due to this regulation change, from 20 June 2021, there will be a minimum order […]
Teardown: Campagnolo Ultra Torque Crankset Mechanics explained in Depth
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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.
Hambini BB30A Cannondale CAAD Installation
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StylishRiding, a viewer of the Hambini Channel videoed their installation of a Hambini BB30A to Shimano bottom bracket and uploaded it. You can view it below
Teardown: ROTOR 2InPower Crankset 30mm
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This Teardown covers the Engineering behind the ROTOR 2InPower 30mm Crankset. It focuses on the materials, manufacturing, tolerances,, bearing preload system and system stiffness.
T47 Bottom Bracket: Engineering Guide (Threadfit)
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T47 is examined in engineering detail. Some of the quirks associated with the standard, the weights and the frame geometry limitations are discussed. Trek, Felt and Factor variations of T47 dimensional standars are covered.
Hambini Roasts: Trifox X10
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The axes and planes that would affect the handling and braking of the bike are well above average. Machining quality of the parts was excellent. You can see the video of the review below You can get the bike frame from the Trifox Website
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 […]
Bike Bearing Grease: A Practical Guide to Bearings and Assembly for Bikes
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Table of Contents IntroductionLubricating Grease (Bearings)Assembly Grease (Anti Seize) Grease as a Water repellantGrease Composition (Lithium, Teflon, Copper etc)Carbon Grease / Fiber PasteRecommendationsRecommended brands 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 […]
Bicycle Wheel Power Data 50km/h
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Over several years, bike wheels have been tested for aerodynamic performance. To date, this is the largest independent dataset available. Popular brands such as DT Swiss, SwissSide, Shimano, Mavic and Bontrager have all been tested. This dataset was originally derived from wind tunnel test data but has latterly moved over to Dinitriev number with a […]
Bicycle Wheel Power Data 30km/h
Posted on — 27 CommentsOver several years, bike wheels have been tested for aerodynamic performance. To date, this is the largest independent dataset available. Popular brands such as DT Swiss, SwissSide, Shimano, Mavic and Bontrager have all been tested. This dataset was originally derived from wind tunnel test data but has latterly moved over to Dinitriev number with a […]