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Bottom brackets make it possible to turn a bicycle crank in order to move the bicycle forwards.
A (non-ebike) modern road or mountain bike has either a threaded bottom bracket or press fit bottom bracket—those are the choices. Press fit BBs were, arguably, a solution to a non-problem with threaded BBs. Consistent dissatisfaction with press fit has seen a return to threaded bottom brackets and the increasing uptake of T47 threaded BB […]
The Threaded Bottom Bracket Ultimate User’s Guide Read More »
“Why are there so many bottom bracket standards?” is the question every single newcomer to the wonderful world of cycling has asked sooner or later. (Even those of us who have been in the industry forever periodically ask ourselves the same question.) The brief and cynical answer is that manufacturers focused on being different ultimately
Bottom Bracket Standards from Threaded to Press Fit (& more) Read More »
I take a close look at the T47 standard including a variety of models brands can choose from. 2021 is the year the cycling world got serious about the T47 bottom bracket standard. Specialized released their S-Works Tarmac SL7 2021 ; Trek, their Emonda SLR and SL. Trek will also use T47 more widely across their road range in the
T47 Bottom Brackets Guide – 24mm, 30mm (& Unique T47 EBB) Read More »
In this article we provide the most comprehensive information about BSA Bottom Brackets online. A continually expanding range of bottom bracket standards, especially in the last 15-20 years has overly complicated the simple task of getting a bike’s cranks rotating. We make the case that the BSA bottom bracket is the cheapest, most effective bottom
BSA Bottom Bracket – Removal, Installation, Tools Read More »
Find out all you need to know to fix or maintain your bottom bracket right here, in one place. We cover: what tools you need and how to use them. CONTENTS What is a Bottom Bracket Tool?How Do I Know What Bottom Bracket I Have?The Tools and How to Use Them Related Topics How Do
Bottom Bracket Tools: The Definitive Guide Read More »
At First Components, we spend most of our time devising unique solutions to customer problems which are the key source of our products. Each product represents a unique response to a particular problem the customer ordering that product wanted solved. In this post, we showcase four examples of this in action, four solutions for temporarily
Bottom Bracket Conversion Kits: Techniques & Technology Read More »
This guide covers 2 methods to upgrade a BMX bottom bracket and crank. Method 1: Substitute a 1 piece crank and bearings for a lighter spindle and separate crank arms Method 2: Replace the 1 piece crank and bearings with an adapter and cartridge (sealed) bearings (and separate crank arms). First up, we’ll answer to
BMX Bottom Bracket & Crankset – From 1 Piece to 3 Piece (2 Techniques) Read More »
“What is an eccentric bottom bracket and how does it work?” “Is an eccentric BB on my mountain bike or my single speed a good idea?” Those questions, and more, answered right here, in the most comprehensive guide to eccentric bottom brackets around. And if you still have questions after feasting on this, be sure
Eccentric Bottom Brackets (All You Need to Know) Read More »
Welcome to your complete guide to BB86 & BB92 bottom brackets. What are they? What are the differences? And how do you install and/or remove this type of bottom bracket? You’ll find all the answers here. If you are just looking to fast-track removal or installation, the jump to the installation and removal section right
BB92 (&86) – Complete Guide to Installation and Removal Read More »
Here’s what you need to know about BB30 to be able to take advantage of this standard’s benefits minimize the well-known disadvantages install a threaded, or “BSA30” to replace your 24mm spindle And the 30mm diameter spindle is the star of this show. (Eclipsed perhaps by the recent 28.99 standard) CONTENTS Are BB30 and PF30
BB30 Bottom Bracket – Enjoy the Benefits Without the Downside Read More »
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