2020

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 […]

“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

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

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