This third-generation Cervelo Aspero gravel bike looks a lot like ... A threaded T47 bottom bracket – well an asymmetric BBRight T47a BB. And a UDH so you can mount a conventional derailleur ...

FiftyOne Bikes founder Aiden Duff says they’ve ... All cables and hoses run internally for a full stealth look. Lastly, it uses a T47 threaded BB and a UDH hanger for solid future component ...