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usxorf

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Everything posted by usxorf

  1. I chafed a few weeks ago during durbanville fun ride from my bib bunching up. Bought some nexcare tape and taped over the raw bits before riding. Works a charm, healed nicely without sacrificing ride time. The tape is waterproof and one of the recommended uses was prevention of blisters. Got it at dischem. This tape: http://www.amazon.com/Nexcare-Absolute-Waterproof-1-Inch-5-Yard/dp/B001H54S82
  2. You've described almost every bunch in almost every race ever.
  3. Use L2 running pace (km/h) instead of HR if you're concerned about drift.
  4. I've been riding di2 for the past month or two, last week through a pretty big downpour. Gear changes are quick and responsive. Quite a pain to install, lots of cables, but after installation it just works.
  5. It mostly caters for group purchases, so the range is limited to what's popular. Pricing should be cheaper through velobuild but YMMV.
  6. Hongfu is on velobuild.com, a website organising group purchases (with discounts) of various frames and wheels. Some of the other distributors are on there as well, and there's plenty of information about the frames, ordering process, build photos, etc. If you are going to purchase do it through that website.
  7. I have a china frame + carbon wheelset. I had my doubts but 6 huge threads on rbr with very little negative feedback settled it for me. The process is not for the feint of heart or those with little faith. Stick to the popular distributors, expect a long wait for email replies, them to get your frame size in stock, then to paint it and ship it, and after you receive your package the wait for them to ship the seatpost collar or headset they forgot to include. The paint job is iffy, clearcoat was flaking out of the box. Paint in the hole where the brake bolt goes needing to be sanded, clearcoat in the drain holes needing attention too. If you are going to order a blank frame from china, have it painted locally. The frame I have gets painted and resold by some company in luxembourg at 3 times the price I paid for it landed. I think the branded version it's copied from goes for 10 times as much. edit: AFAIK for warranty you have to ship the frame back at your own expense. If the frame is FUBAR, you can get away with just cutting out the BB and sending that.
  8. Try pacing with shorter periods of time than an hour. As an example, if a climb is 15 min and I see 350w for too long, I'm gonna run out of steam, so I back off. It's kind of hard to keep track of averages during a race anyway, so a glance down every now and then is all I do. Ride with power, not by power, is the philosophy. Do you have golden cheetah (free) or training peaks (paid)? These programs will show a chart of your ride, mapping the time with power, elevation, heart rate, etc. It can highlight when power goes above a certain value for a given duration. If you did ride too hard in the first hour, there will be lots of highlighted areas and very few during the last hour or two.
  9. Notice the wording of all of these groupon/wicount/etc. type deals, they use the term "valued at" rather than "priced at". So you can't lay a complaint at the asa about the normal price not being what they claim the "valued at" to be. The % savings are grossly inflated most of the time. I like the pay R99 for a R200 voucher ones. Buycycle, as an example, had one a few months ago.
  10. Yes, mine displays watts with no sensor.
  11. And how much RRR
  12. With the flow, speed is an input, estimated from flywheel (?) rotations. Combined with the resistance setting, it estimates power/watts.
  13. To all the trance owners... as mentioned above by goya, point # 9, check your suspension linkages. Rust mated a bearing to a linkage on mine and creaked rather loudly when pedaling hard.
  14. Did the stars cheater guy cross the timing mats?
  15. I bled my slx brakes by draining all the fluid out, then using a syringe and tubing to push fluid up from the caliper until air bubbles stopped coming out of the reservoir. Make sure you have the correct sized philips screwdriver for the reservoir cap, I stripped my screws and ended up breaking off the head of one (yippee 2012 slx brakeset just arrived). Also, remove your brakepads and fill the gap between the pistons with a spacer. Don't let the mineral oil run onto your gear cable/ferrules, it could ruin them. It will ruin your brake pads so make sure none of it gets on your rotors. I read the shimano pdf posted by the drongo and watched a few of the videos on youtube before doing anything.
  16. My wife is also on classic comprehensive and has the medtronic cgm and pump. AFAIK the rep arranged everything for her. I know she had to upgrade to comprehensive to get the cgm + pump approved. She's been on the cgm for about a year, I can put you in contact with her if you need. It's definitely made diabetes management a whole lot clearer. Protip: If you're close to groote schuur at the UCT hospital they have a diabetes management program which you can join via discovery for assistance in management; Also, you get your monthly insulin and glucometer testing strips (Not the medtronic stuff though) from them.
  17. I have a flow and powertap. It doesn't match the powertap. And the deviation is inconsistent depending on cadence, resistance. Stick within 85-90 cadence and it might be reporting 10% under. Or over. However, the flow is consistent with the same tyre pressure, etc. so your retests should be a good indication of getting stronger (try and stick to same cadence range for best results). There is some calibration possible depending on how tightly the brake is applied to the wheel, but there is no guarentee that a calibration of 0 will match real world power. I found 0 to be too soft and my back wheel (normal road tyre) would have traction issues.
  18. Cramping is an enigma to me as well... but managed to make some progress this year. Did all the ppa races (75 - 110km) with no cramping (except cramping during the argus), where previously I would cramp after 60km's or 2 hours. What seems to have worked for me is a combination of training and nutrition during the race. I think the training helps stop cramping after a certain distance or time, and what I realised during the argus (when I started cramping after about an hour) was that gu's and / or cytomax trigger cramping for me. I read some articles by sporty sciency people with phd's, and they seem to have no clue either and suggest training, nutrition, hydration and/or stretching until you find something that works for you.
  19. Why would this be? Please expand? The Windows drivers that comes with the silver usb IRDA does not work on the Windows 7 - 64 bit combination. So the device never activates when you plug it into the usb port. According to Polar's website they cant offer you updated drivers you have to buy a new device of about R400. I bought a generic IR adaptor on ebay for R30. Just plugged it in and it works with the generic drivers on windows 7 64bit. (This is with the RS800, not sure about any other polar products.) You might not need the polar branded IR to connect to your pc.
  20. Just to add in my .02 It can also be some dirt/sand in one of the cable run things on your frame... I had a creak when pedaling and it was just the front derailleur cable rubbing sand against the frame mount.
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