ST-R9160 Dura-Ace Di2, STI for TT / Triathlon - Pair aero bottle Front body premium Japanese Yamamoto

Front body premium Japanese Yamamoto 39 Cell bouyant and flexible neoprene

Shimano's seamless midsole construction

with updated graphics and the addition of a lightweight and high stretch waffle back panel for maximum breathability and a comfortable fit

SIZE HEIGHT (FT) WEIGHT (LB) XS (Extra Small) 5'3" - 5'9" 128 - 150 S (Small) 5'3" - 5'9" 139 - 154 ST (Small Tall) 5'9" - 6'0" 141 - 159 SM (Small Medium) 5'5" - 5'10" 150 - 165 M (Medium) 5'7" - 6'0" 159 - 176 MT (Medium Tall) 5'10" - 6'4" 163 - 183 MS (Medium Solid) 5'5" - 5'9" 172 - 194 L (Large) 5'9" - 6'2" 187 - 207 LT (Large Tall) 5'11" - 6'5" 185 - 207 XL (X Large) 5'11" - 6'7" 203 - 243 XXL (XX Large) 5'11" - 6'11" 231 - 265 XXXL (XXX Large) 5'11" - 6'11" 265 - 298

floating resistance rollers with wireless FE-C resistance control

ST-R9160 Dura-Ace Di2, STI for TT / Triathlon - Pair aero bottle Front body premium Japanese YamamotoWith Di2 technology shifting is easy and precise just a light touch, as soft as a mouse click, is sufficient for the front or rear derailleur to instantaneously select the correct gear The removal of traditional mechanical cables in favour of electrical wires eliminates poor shifting caused by contaminates, corrosion and stretching, and also provides effortless gear shifts Single button on each side of the shift lever only works with synchronized