Approach to bicycle servicing

First steps (approach) when servicing a bicycle

Updated: 08/11/2018. This post is about approaching a bicycle that needs repairs, or regular maintenance. Perhaps it sounds a bit absurd – “what’s the big deal in how to approach a bicycle?”, but in the remainder of this post, I’ll explain what’s the “catch”. Contents: 0. Introduction 1. Talking to the client …1.1. Listening …1.2. … Read moreApproach to bicycle servicing

Bicycle handlebar dimension standards

Bicycle handlebar dimension standards

Updated: 16/11/2018. This post will give overview of bicycle handlebar size standards, in terms of stem mounting area as well as grip mounting area (or bar wrap area for road “drop” bars). Other important dimensions of road bike bars are explained in the post about road bar geometry, while important considerations for flat bars are given … Read moreBicycle handlebar dimension standards

Bicycle stem size standards

Bicycle stem size standards (dimensions)

Updated: 16/11/2018. Table of contents: 0. Introduction 1. Types of stems ….1.1. Quill stem ….1.2. Threadless stem 2. Important dimensions and how to measure ….2.1. Handlebar (clamp) attachment diameter ….2.2. Steering column attachment diameter 3. Stem dimension standards ….3.1. Handlebar clamp dimension standards ….3.2. Steering column attachment dimension standards ……..3.2.1. Threaded stems ……..3.2.2. Threadless stems … Read moreBicycle stem size standards

Bicycle cassette (rear chainrings) standards

Bicycle cassette standards - uniglide, hyperlide, 6, 7, 8, 9, 10, 11, 12 speeds, XD...

Updated: 26/08/2019. This post will explain bicycle rear chainrings standards. Since in cycling literature a (technically incorrect) term “sprocket” is used to refer to rear chainrings, that term will be used in the remainder of this post (and most other on this site). In cycling terminology, term “chainring” usually refers to front chainrings only. Contents:1. … Read moreBicycle cassette (rear chainrings) standards

Bicycle drive chain standard dimensions

Bicycle drive chain dimension standards - 6, 7, 8, 9, 10, 11, 12 speeds...

Updated: 05/06/2019. This post will give overview of bicycle driving chains standard dimensions. Each chain has three important dimensions: pitch, inner diameter and outer diameter. 1. Bicycle driving chain pitch Chain pitch is the distance at which the pins are placed. It is measured by measuring the distance between 3 links, then dividing it by … Read moreBicycle drive chain standard dimensions

Headsets [03] Headset bearings standards – SHIS

Standard dimensions (sizes) of bicycle headsets (fork bearings) - SHIS

Updated: 25/11/2018. Previous two posts have explained the names of steerer parts and how to measure the important dimensions. This post deals with headset bearings standards. If (re)packing a (new) headset with loose bearing balls, see: Standard bicycle bearing ball sizes. Contents: 1. Introduction 2. Marking rules (format) 3. Standard dimensions …3.1. Head tube inner … Read moreHeadsets [03] Headset bearings standards – SHIS

Headsets [02] Important fork, head tube and headset dimensions

Important dimensions of head tube, steerer tube and headsed bearings

Updated: 16/11/2018. In a previous post headset construction was explained and important parts were noted. That post can be read here: Names of bicycle fork, head tube and headset parts. Part names defined in that post will be used here. This post will explain what needs to be measured when changing, or buying new bearings, or a … Read moreHeadsets [02] Important fork, head tube and headset dimensions

Roller wear effect on chain to chainring engagement

Effect of bicycle chain roller wear on chain's engagement with chainrings

Updated: 16/11/2018. In a previous post “Bicycle chain wear (elongation)” it was explained how chain wear happens and affects chain’s performance. There it was mentioned that roller wear doesn’t affect chain’s performance. The only thing that affects performance is chain’s elongation (change of pitch) – i.e. inner plates to pin contact area wear. The goal … Read moreRoller wear effect on chain to chainring engagement

Bicycle chain wear (elongation)

Bicycle chain wear ("stretching")

Updated: 16/11/2018. This post will explain how exactly a bicycle chain gets worn and what happens with it as it wears. First things explained will be the chain construction and chain pitch so that explanation of chain wear can more easily be understood. A separate post explains how to measure wear and when to replace … Read moreBicycle chain wear (elongation)

Seatpost diameter sizes (standards)

Bicycle seatpost dimension (width, size) standards

Updated: 16/11/2018. This post explains what kinds of seatpost diameters are most commonly used and how they are measured – to avoid mistakes when purchasing, or changing seatposts. The post deals only with diameter (width). The length of the seatpost depends on frame geometry (design) and size – i.e. how much the saddle needs to … Read moreSeatpost diameter sizes (standards)

Standard thread dimensions used with bicycles

Standard ISO dimensions for threads used with bicycles

Updated: 27/01/2019. ISO standard defines dimensions of thread – by diameter and pitch. This post provides a list of standards most commonly used on bicycles, with explanation of most common use. Tools most commonly used for (un)screwing the bolts and nuts of the given standards will also be noted (also by ISO standard), for both … Read moreStandard thread dimensions used with bicycles

Comparative overview of bicycle chain lubricants

Comparative overview of bicycle chain lubricants

Updated: 08/11/2018. This post will offer a comparative overview of bicycle chain lubricants. It will include standard commercialy available lubricants that can be used for lubing bicycle chains, such as chainsaw bar oil, motor oil etc. It will also give comparison of lubricants sold and marketed as bicycle chain lubricants. They will be noted with … Read moreComparative overview of bicycle chain lubricants

Standard bicycle bearing ball sizes

Standard bicycle bearing ball sizes

Updated: 27/01/2019. Bicycles usually use ball bearings. Modern cartridge bearings come as a closed unit – with balls and races packed in a single unit. However, many bicycles still use older, cup and cone system, where balls can (and should) be replaced with new ones when servicing bearings. This is the case with most Shimano … Read moreStandard bicycle bearing ball sizes

Bicycle chain lubricants – explained

Bicycle chain lubricants - in detail

Updated: 08/11/2018. Eternal debate in the cycling world: how to lube and maintain a bicycle chain? There are those that seldom notice drive chain, until it starts creaking really loud, or breaks. There are also those that regularly clean and lubricate their chains. When it comes to those who do maintain their bicycle chains, there … Read moreBicycle chain lubricants – explained

Bicycle bearing greases – explained

Detailed explanation of important bicycle bearing grease characteristics - grease types explained

Updated: 27/01/2019. It is a common debate among cyclists (and mechanics) which is the best bicycle bearing grease – for use in hub, or steerer, brake pivot etc. bearings. Some swear by the old “axle grease” that “… my grandfather / father used …” Others recommend silicone, Teflon, graphite grease and so on. This post explains important … Read moreBicycle bearing greases – explained

Cantilever brake adjustment

Adjustment (set up) of cantilever bicycle brakes

Updated: 16/11/2018. This post explains cantilever brake adjustment. 0. Intro Cantilever brakes are unjustly considered to be poor brakes by many cyclists, compared to V-brakes for example. They do have their flaws, but low braking power is not one of those, it is mostly due to poor pad/rim material, and (more often) due to poor … Read moreCantilever brake adjustment

Short overview of threadless BB (press fit) standards

Standards of threadless bottom bracket bearings (press-fit BB standards)

Updated: 16/11/2018. This post will give a short overview (list) of threadless (press fit) BB standards. For each BB standard there is an overview intersection of BB cartridge and frame’s BB shell where BB is inserted to, followed by it’s dimensions. Look here for explanation of all the different BB standards. BB30 Shell width: 68 … Read moreShort overview of threadless BB (press fit) standards

Compatibility [10] Bottom brackets

Bottom bracket compatibility - what can be combined with what

Updated: 16/11/2018. This post will explain bottom bracket compatibility. Which bottom brackets (BBs) can be combined with which crankset standards. Posts that explain in detail the history and construction of each BB standard can be found here: 1 History and threaded BB standards 2 Threadless (press fit) bb standards T47 – a new threaded BB … Read moreCompatibility [10] Bottom brackets

Compatibility [09] Cranks(ets)

Bicycle crankset compatibility (cranks, chainrings)

Updated: 04/04/2019. This post addresses bicycle crankset compatibility in terms of mixing various speed cranksets with other components. For example: an 8 speed crankset on a bicycle with 10 rear sprockets and a 10 speed chain (a), or a triple chainring with a front derailleur (FD) constructed for double chainrings (b). It will also address … Read moreCompatibility [09] Cranks(ets)