Shimano FC- R603 Ultegra Triple Tandem Chainset

• The HollowTech II 10-speed R603 tandem rear chainset offers an ideal balance of light weight and stiffness, making it the perfect choice for both enthusiast and competitive riders
  
  
• HollowGlide hollow outer chainring gives vast improvements in rigidity by virtually removing outer chainring flex and hugely improves shift performance, even under high load
  
  
• The chainring teeth have been developed to work in conjunction with the CN7801 and CN6600 10-speed chains for increased contact to provide greater efficiency and improved power transfer
  
  
• Industry leading HollowTech II cold forged hollow crank arms have been evolved to increase rigidity, reduce weight and improve strength
  
  
• 52/ 39/ 30 tooth chainrings drive side, 40 tooth non-driveside
  
  
• 130/ 92 mm drive side, 130 mm non drive side bolt circle diameter
  
  
• Using road HollowTech II integrated bottom bracket offering a wide bearing placement and large axle diameter for increased stiffness and efficiency
  
  
• HollowTech II integrated bottom bracket seal design has minimal bearing interface ensuring smooth rolling and increased durability
  
  
• Use in conjunction with FC-R601 40 tooth tandem front chainset
  

Occasionally, without notice, manufacturers change product design and/or specifications.