Shimano Tiagra (2011-5-9)
Shimano Tiagra Upgrade my Shimano Tiagra components on Cannondale Synapse 6? I absolutely love the bike, but am wondering if I should upgrade the Tiagra components to the 105′s or Ultegra. I want to get more competitive. What can I expect to spend of I upgrad to 105 vs. Ultegra and will I notice a [...]