Shimano 6800 ultegra 11 speed groupset groupsets build kits
Build your next bike with shimano ultegra and you won39t be disappointed join millions of others who swear by ultegra either when generally riding with clubmates at sportives or whilst racing a groupset that delivers excellence all year round regardless of weather conditions offering crisp and silky smooth shifting and with superb braking performance bottom bracket hollowtech ii integrated bottom bracket seal design has minimal bearing interface ensuring smooth rolling and increased du