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  1. Replies
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    That's very normal for Ultrashift levers (Chorus...

    That's very normal for Ultrashift levers (Chorus and above 11 speed, 2009-2010 Veloce and above) where the tight 90 degree guide causes fatigue failures. I get 2500 miles out of OEM Campagnolo rear...
  2. A wornout ring or bent tooth can do that. Fix it...

    A wornout ring or bent tooth can do that. Fix it before it happens when you're standing - I crashed twice that way.

    Chainline alone doesn't cause that, even using the big ring on a triple crank...
  3. 2 20 minute efforts usually with 5 minutes easy...

    2 20 minute efforts usually with 5 minutes easy pedaling between them. Opinions vary on intensity. 95% is common. Some people go harder, although that impacts recovery time. Some people don't work...
  4. You can run 8 of 9 with spacers. Campagnolo used...

    You can run 8 of 9 with spacers. Campagnolo used to sell KIT-03. Wheels manufacturing also had a product.

    The spline peaks have the same diameter with 8 and 9/10/11 speed; it's just the valleys...
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    Add 10% to your distance each week. 15km daily /...

    Add 10% to your distance each week. 15km daily / 105 weekly, 16.5 daily / 115.5 weekly, 18.2 daily / 127.1 weekly....

    Ride slower. Half the effort produces a quarter of the fatigue so you can go...
  6. Or spend ten minutes reading the appropriate web...

    Or spend ten minutes reading the appropriate web sites (park tool has a good one) and watching youtube videos.

    Bicycles are very simple machines, and outside of very limited situations (torque...
  7. That's not a relevant technical diagnosis. If...

    That's not a relevant technical diagnosis.

    If the derailleur is applying tension it's fine length wise.

    It could theoretically be more flexible side to side from side-plate wear, although...
  8. Since breaking my leg and stretching a nerve my...

    Since breaking my leg and stretching a nerve my right toes go to sleep when I wear thin cycling socks, often after 45 minutes. Laces tight or loose don't eliminate the problem. Thick socks are...
  9. I can now torque fasteners taking hex keys in...

    I can now torque fasteners taking hex keys in tight locations

    448360448359

    6-50 NM / 5-36 ft*lbs 730/5 torque wrench pictured; those with starting ranges down to 2 NM / 17.5 inch-lbs and ending...
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    I see them on the road just fine with my ~600...

    I see them on the road just fine with my ~600 real lumen (1200 claimed) Cree XM-L T6 light and pass them with enough separation to protect myself from random or malicious behavior. Paid $21 for the...
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    You still want to know how they measured - with...

    You still want to know how they measured - with which nipple and how far the spoke was threaded into it.



    No, that depends on where you aim. Short enough spokes don't make it through the rim...
  12. Yup. They say memory is the second thing to go,...

    Yup. They say memory is the second thing to go, and I forget the first thing. It only feels like zero after a long layoff.

    448189
  13. Coggan's model has fatigue decaying to zero over...

    Coggan's model has fatigue decaying to zero over a 7 day period and fitness over a 42 day period, although other researchers came up with different numbers in that neighborhood and individuals vary....
  14. Training and Racing with a Power Meter is great....

    Training and Racing with a Power Meter is great.

    Interested people should also read Friel's The Cyclist's Training Bible which is the canonical reference on training. Among other things it...
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    You should order your rims, measure them, then...

    You should order your rims, measure them, then order appropriate spokes. 1.1mm of extra spoke, 0.5mm of stretch, and a rim 2mm on the small side of published ERD could cause 286mm spokes to bottom...
  16. 5-6 days a week. Not me, although getting...

    5-6 days a week.



    Not me, although getting up at 6 and going to bed when I get tired works fine.



    5 days a week it's the same 25 miles. Monday 3x10 minutes zone 5, Tuesday zone 2,...
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    Poll: Actually, while riding 100 miles a week I didn't...

    Actually, while riding 100 miles a week I didn't get within 40-50 pounds of the size I was in the 1990s until I spent a year doing easy miles. At higher intensities more energy comes from glycogen...
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    "Race fit" is lower and more aerodynamic. ...

    "Race fit" is lower and more aerodynamic.

    "Endurance" is higher and less aerodynamic.

    Relative comfort depends on the rider - anatomy, flexibility, core strength, power output.
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    They've diverged, although both have taller head...

    They've diverged, although both have taller head tubes than traditional road frames.

    A 56cm (56.5 cm top tube) Secteur has a 190mm head tube.
    A 56cm (56.5 cm top tube) Tarmac has a 160mm head...
  20. Replace the chain before it elongates by 1/16"...

    Replace the chain before it elongates by 1/16" over 11 or 12". When you don't do that you'll wear out cassettes which aren't cheap and chain rings which are expensive.
  21. I have a Kuwahara Hirame on my Joe Blow which is...

    I have a Kuwahara Hirame on my Joe Blow which is arguably the best presta chuck in the world

    447861447862

    Adjustable engagement. Rebuildable. Costs more than the pump, but is probably the...
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    Power measurement. 447847

    Power measurement.

    447847
  23. San Francisco Bay trail not legal for fit cyclists

    The San Francisco Bay and Stevens Creek trails are not legal for fit riders exercising or commuting, except on days with head winds.

    This showed up last week:

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    although unnecessary...
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    I have a Spin Doctor at home and Park PCS-10 t...

    I have a Spin Doctor at home and Park PCS-10 t work.

    Get the Park. The Spin Doctor clamp is slower to close when you're holding your bike with one hand, and adjusting it with a bicycle clamped...
  25. How you rode probably didn't do it. More...

    How you rode probably didn't do it.

    More weight reduces life. High inflation pressure can reduce life.

    I got 5257 miles in back following 1037 in front out of my first 700x25 GP4000S starting...
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