Shimano 105 5800 STI levers, feature ergonomically designed 11 speed 105 dual control levers. These levers come complete Polymer coated cables and silicon greased outer casing. The calipers feature Dual pivot technology and are the racer's choice. They are compact and have a lightweight design for high performance. The Shimano 105 front derailleur has a wide link design for increased rigidity and improved shifting response. The Shimano 105 5800 rear derailleur gives awesome shifting under all conditions. Increase rigidity and reliable long term quality with this 11 speed 105 wide link short cage rear derailleur. The Shimano 105 cassette is a high performance road cassette with hyperglide EV sprockets that have a computer designed tooth configuration. These have contoured shift gates, resulting in a crisp smooth shift even under load. The 11-speed chain uses previous years Dura Ace technology and Shimano's low friction surface treatment SIL-TEC, to reduce friction.
This groupset will be compatible with almost any bike that uses a 68mm Bottom Bracket and a Braze-On front derailleur. Other frames can also be used with the correct adapters.
Components included within this Shimano 5800 groupset are:
- 105 5800 brake caliper (standard set)
- 105 5800 50-34T, 52-36T or 53-39T chainset (see buying options)
- 105 5800 front derailleur (braze-on)
- 105 5800 rear derailleur
- 105 5880 cassette 11-25 or 11-28
- 105 5800 STi levers
- 11 speed chain (shimano compatible) included
- English thread bottom bracket included (BBRS500)
- Weight: 2540g (53/39 172.5mm x 11/28)