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globaledge

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Posts posted by globaledge

  1. Hi. Here's a newbie question: Need to purchase a new set of cranks for my Cervelo R4 now that my FSA's have been damaged. Have been riding on 172.5 39/53. Am considering the Dura Ace 7900 but spotted the new compact crank. How does the new Dura Ace 7950 compact crank (which is essentially a 30/54) change the pedalling action and gearing. Have got a 12/29 cluster. i.e., would pedalling up Ou Kaapse Weg with a 29 on the small chain ring be easier or more difficult when compared to the 39. And would I have to pedal faster or slower coming down Ou Kaapse Weg with the 12 gear on the 54 or the 53. Can't get my head around it and need a techie to help clear the cobwebs! Thanks, Keith

  2. Hi. Advice from Hubbers needed...

    I want to buy deep section carbon clinchers for training/racing. I don't want to go for tubbies. Its between Zipp 404s or Corima Aero Plus. The Zipps are marginally heavier than the Corimas. I'm also looking at the Corima Aero Plus Tubeless. Does anyone have any advice on any of these wheels to help make up my mind.

     

    thanks Keith

     

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