Shimano Dura-Ace SL-BSR1 11 Speed Bar End Shifter Set Bikesportz Their curved design at one

Their curved design at one end helps prevent tube and tyre damage whilst the other end is indented to get right under the bead of the tyre

the derailleur features and ON/OFF switch for the chain tensioner

Lightweight carbon bottle cage

Muc-Off Glue & Sealant Remover is the perfect companion for preparing your rims for a tubeless setup

and an utter buzzkill with a flat tire

Shimano Dura-Ace SL-BSR1 11 Speed Bar End Shifter Set Bikesportz Their curved design at oneFor triathlon and time trial bikes, SHIMANO DURA ACE SL BSR1 bar end shifters deliver precision shifting with a sleek aerodynamic design. Specifications Precision engineered 11 Speed index bar end shift lever Mfr Claimed Weight TBC