Subject: RE: PowerTap Pro Hub I went through a similar decision a few months ago. I believe that you can build a powertap into a TTR3 rim, but you'd need all new spokes and a full wheel build anyway. Why not just buy a new rim and have a wheel built around your powertap? then, you still have the TTR3 as an extra wheel- which you could sell, or keep as a spare. The TTR3 is a fine wheel. More aero than you'd think, but it's not light. I think my rear TTR3 weighed in at 1060 or 1070g, with rim tape. I had FairWheel bikes build me a wheel with a 38mm aero rim- the Kinlin XR380 (550g), and with Sapim X-ray spokes and alloy nipples and with my powertap SL+ (416g) came in at just 40g more. the Kinlin is not expensive ($120?) and at 38mm deep it comes close to matching the depth of the 40mm TTR3 front wheel... for looks. Of course- you could spend a ton on more aero, light, deeper carbon wheels to wrap around your new powertap, but it sounds like you're just looking for a good training wheel. You can always throw a wheelbuilder disc cover on it ($100) for race day and have the best of both worlds. Depending on your weight, riding conditions, how bulletproof you want it, and the rim you choose- you certainly may be able to go with fewer spokes than 28. Discuss this with your wheelbuilder. Spokes only weigh like 4g each, so adding 4 more isn't a huge difference in weight if you choose a light rim. I presume that Felt put 28 spokes on that beast of a rim so that they can sell the bike to anyone at any weight. It's a great, bombproof training wheel- as it should be for a stock wheel. |