Mason Definition - Shimano 105 Di2 - 54cm - Vela - SALE


Price £2,750.00 Regular price £3,640.00


With functions and technologies directly inherited from the latest 12spd. Dura-Ace and Ultegra, 105 Di2 brings Di2 shifting to a new group of riders who have only experienced mechanical shifting – and is set to level up the entry point to the modern cycling experience.

With a shared Di2 platform, sophisticated ergonomics, 105-optimised gear combinations and an exceptional brake system, Shimano's 105 Di2 is a milestone in the legendary brand's affordable performance groupset.

This bike is a great entry point to experience the responsive and engaging ride of a handmade aluminium frame teamed with the all-condition control of modern Di2 technology.


  • Dedacciai, custom formed, triple-butted performance Aluminium frame with Mason Aperture2 full carbon Thru-Axle/Flat-Mount fork and our Thru-Axle/Flat-Mount dropouts.
  • Mason Aperture2.2 Thru-Axle full carbon fork with internal brake and dynamo light routing.
  • Clearance for full mudguards.
  • Fully and discretely eyeletted for rack and ‘guards.
  • Carbon Mason Penta microadjust post and Mason Macro clamp.
  • Lightweight alloy Deda Zero2 bars and Zero2 stem.
  • Innovative, Made in Italy Fizik Tempo Argo R3 Saddle.
  • Shimano 105 R7170 Di2 Electronic 12spd. groupset
  • Specialized Turbo Tyres, 28mm, Tubeless ready.
  •  HUNT 4 season disc wheelsets.
  • Deda Zero 2 90mm stem, bars and seatpost
  • Fizik Taiga saddle 
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