'Smooth, Round and Natural' - The ethos behind Shimano 105 components. The 105 groupset makes 'pro-level' technology more accessible to part time racers and fitness enthusiasts. From the shifters down to the rear derailleur, this groupset borrows from its big brother Dura-Ace. The shifters feature the new internal routing for the cable outers and the complete weight has come down to 2481g (manufacturer claimed).
Key Features:
Shifters:
- Shift cables are routed under the bar tape: re-development and positioning of the internal mechanism provides a faster, lighter and smoother shift.
- Ergonomic shift arc follows natural hand movement with inward shift stroke distance reduced for rapid and precise gear changes.
- Brake lever pivots have been positioned to increase power and improve ergonomics when riding on the hoods.
- Tuneable reach adjusters enable custom fitment for all hands.
- Comes complete with silicon greased cables to further reduce shift friction and increase service life.
Chainset:
- Innovative HollowTech forged and anodised aluminium crank arms utilise a hollow design that minimises flex and keeps the weight low.
- The chainring teeth have been developed to work in conjunction with the CN-5701 chains (included) for increased contact to provide greater efficiency and improved power transfer.
- Lightweight anodised SG-X aluminium chainrings for smooth and precise shifting.
Groupset includes: Brakeset, BB cups, Cassette, Chain with joining pin, Chainset, STI Shifters, Front and Rear derailleurs and cables. Chain has a directional design with specifically shaped inner and outer plates to optimise shifting over the chainset and cassette.
- Weight: 2481g (claimed).
- Cassette ratio: 12-27.
- Chainring ratio: 50/34.
- BB cup thread: British.
- Comes with cables and outers.
Please take care to choose the correct crank arm length from the sub-options.
