Components

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New Shimano 105 is new for 2011 and incorporates many of the benefits that were originally developed for Dura-Ace 7900 series and integrated into Ultegra 6700 series. The new group is available in Sterling Silver for a classic road cosmetic or Lodestar Black for a more contemporary look. Overall, performance and durability is enhanced while the entire group manages to drop almost 30 grams from the prior generation.
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Tiagra has been completely reengineered and remastered with a more refined ergonomic design.
Tiagra
shares our top groups' engineering lineage offering greatly enhanced
feel and sleek design backed by new levels of performance.
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• SORA Dual-Pivot Brake Calipers
• CS-HG50-9R HyperGlide 9-Speed Cassette Sprockets
• SORA 2-Piece Front Cranksets are offered in Compact Double and Triple versions.
• SORA Front Derailleurs are offered to suit double or triple cranks with clamp-on and braze-on versions.
• SORA features Wide Link design Rear Derailleurs for precise and reliable shifting
• SORA Dual Control Levers feature a reach adjustable ergnomic design and integrated Optical Gear Display.
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The clean look of the NEXUS 8-speed system belies its heavy-duty construction and wide-range gearing.
