SHIMANO FC-2450 50/34T Double 8-Speed Claris Crankset Review Posted by Pelicandy August 16, 2018 in Drivetrain Components Uses Octalink bottom bracket with recommended length being 113mm for doubles Alloy arms with steel rings Without chainguard Shimano’s Claris crankset features smooth shifting, great looks, and affordability to the 8 speed road/touring class. Random Products SHIMANO HG81 10-Speed Cassette Review SHIMANO Ultegra cassette (Design: 12-30 sprockets)... KMC X10SL Gold 10 Speed Chain for Shimano Sram Rev... SRAM Eagle PowerLock Chain Connector 12-speed Chai... Cycling Outdoor Recreation Parts & Components SHIMANO Sports & Outdoors