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Shimano's 105 Groupset has been the go to hardware for everyday training, long rides during the weekends, and riding with friends since its creation. These pieces work together and bring pleasure to every rider with trusted reliable performance. The new 105 Groupset will give every rider a sense of satisfaction, pleasure and fulfillment with advanced functionality, smoothness and ergonomics. Levers: Comfortable lever design for better rider comfort and control.-- Slim & compact bracket with smooth surface with enclosed mechanism-- Screw type Reach Adjust (10mm)-- Light action, defined click engagement.-- Short lever stroke response-- Polymer Coated Cables to reduce friction-- Powerful and controllable braking system-- Polymer-coated shift cable-- Wt: 486g. Brakes: Improved efficient and controllable brake system-- Integrated design with aerodynamic shape. Front Derailleur: Front Derailleur (2x11-speed)-- Light and accurate shifting-- Redesigned pull arm combined with new spring mechanism-- Less chain drop with new low trim position-- Stable shifting performance-- New braze-on support bolt creates a more stable platform for front shifting-- Wt: 89g. Rear Derailleur (Short and Mid Cage): Robust adjustability-- 11-speed Wide gear range-- 28T (32T for Mid Cage) compatible-- Wt: 234g-- Color options: Silky Black, Pure Silver. Chain: Smooth and reliable shifting performance with asymmetric plate design for 11-speed-- SIL-TEC surface treatment-- Compatibility: MTB and Road (11-Speed).Includes the following parts:
• 180315-01 105 BR-5800 brakes
• 230596-01 105 ST-5800 shift/brake lever combo
• 240213-05 105 FD-5800 front derailleur
• 500130-01 CN-5800 11 speed chain
• 260165-01 105 RD-5800 rear derailleur SS
• 260165-03 105 RD-5800 rear derailleur GS (for 32T cassette)
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