Complete guide to bottom brackets

Complete guide to bottom brackets

It wasn't long ago that the only major bottom bracket decisions you had to make were shell width, spindle length, and, in rare cases, English (BSA) or Italian threading. These days, it can feel as though there as many 'standards' as there are bike brands, with every one of them supposedly being the best option. But fear not — read on for our complete guide to the various types of bottom bracket available. A complete guide to rear derailleurs What is a bottom bracket Here's a rundown of each of the major bottom bracket systems currently available, along with advantages, disadvantages, notes on compatibility, and some input from their respective proponents on why they exist: Conventional/BSA threaded BB90 and BB95 PF86 and PF92 BB30 OSBB (road) BB30A and BB30-83 Ai PF30 OSBB (mountain) PF30A and PF30-83 Ai BBRight BB386 EVO T47 Threadfit 82.5 SRAM DUB The ultimate creaky bottom bracket ...

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