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.

Groupset includes the following items:
• 105 ST-5700 shift/brake lever combo
• 105 RD-5700-SS rear derailleur
• 105 FD-5700 braze-on front derailleur
• 105 BR-5700 brake calipers
• 105 CN-5701 chain
• 105 FC-5700 crankset
• 105 CS-5700 cassette
• 105 BB-5700 bottom bracket