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 105 CN-5700 Chain Review SRAM X-Sync 2 Eagle 12-Speed Chainring Review SRAM Omnium Track Bicycle Crankset w/GXP Cups Revi... Shimano Ultegra 6800 11-Speed 11t Cassette Cog Rev... Cycling Outdoor Recreation Parts & Components SHIMANO Sports & Outdoors