ST-R9160 Dura-Ace Di2, STI for TT / Triathlon - Pair aero bottle SIZE HEIGHT (FT) WEIGHT (LB)

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

Simply pressing tactile buttons allows effortless and comfortable shifting even when your hands are cold

floating resistance rollers with wireless FE-C resistance control

PEDALS: RIDGEBACK METRO

Reflective inserts: Enhance visibility to passing motorists in low-light conditions

ST-R9160 Dura-Ace Di2, STI for TT / Triathlon - Pair aero bottle SIZE HEIGHT (FT) WEIGHT (LB)With 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