Advice on light wheels

[RocketRacing]

Hi folks, my lightweight climbing build is nearing an end, but one place that has me less than satisfied is the wheels, so i am looking for advice.

Light/cheap/reliablie... i know, pick any two, but i want all three... so am keen on suggestions.

I currently run what i think are 2nd gen mavic r-sys slr wheels (1370g vs the later 1295g) with the big slow carbon spokes. I got them used. The weight is good, but i know they are slowing me down in the aero department.

I am a 130lbs rider, i live in an area with some steep descents, but nothing long... so the concept of overheated brakes is foreign to local roadies. I am running 25cc gp4000s2’s currently with latex tubes, but plan to swap to 5000’s with latex tubes (26mm wide for the pressures i plan to run). I have rim brakes with 2nd gen ee brakes, so 27.5mm is my max external diameter, though i am considering low profile pads which may allow 28wide rims.

For the right price, i would get a good set of wheels. The tough part is that most wheels that are lighter to make the swap worth it, are approaching new bike prices.

I have my eyes on some unnamed dropshipping chinese rims with 240s bubs and cx-ray spokes, that are only a 30g penality to the mavics in 40mm deep rims.

Any other ideas?

[Marin]

EIE carbon 40mm Superlight rims, 26mm at the brake track, with Bitex or Novatec SL hubs with CN Mac spokes, around 1250g for 600€.

[alcatraz]

Yep, depending on budget you can start at 1300gr for 50mm down to 1200gr. Chinese wheelset. The trick is to use the new rims that come out now. They can make 25(28)mm wide 50 deep rims now that are 410-430gr.

As for stiffness it's in the build. Find a nice combo of hub and spokes. Carbon-ti if you have some dough light/durable, chinese dt240s is a bit heavy but cheaper, or some taiwanese hubs for light and cheap. There are many models so don't listen to people who say they are all crap. Just need to study and get a good geometry.

[RocketRacing]

Yep, depending on budget you can start at 1300gr for 50mm down to 1200gr. Chinese wheelset. The trick is to use the new rims that come out now. They can make 25(28)mm wide 50 deep rims now that are 410-430gr.

As for stiffness it's in the build. Find a nice combo of hub and spokes. Carbon-ti if you have some dough light/durable, chinese dt240s is a bit heavy but cheaper, or some taiwanese hubs for light and cheap. There are many models so don't listen to people who say they are all crap. Just need to study and get a good geometry.

Thanks. A few questions:
- 25(28)mm wide rims. Do you mean 25mm or 28mm? Or 25mm at brake tracts, 28mm widest part of rim? I presume the former

- where can i find one of the 1200g sets? I am a light rider, so should be able to get away with more than most.

[bm0p700f]

Start with carbon ti hubs or extralite. I have built myself a set of 45mm deep, 27mm wide wheels with 24 spokes rear and they weighed 1280g. You could drop 40g with 16h front and 20h rear.

DT Swiss 240 hubs are 315g for a pair. With 44 CX rays for the lengths you'll need are 215g including nipples You are assuming 400g 40mm Deep wide carbon clinchers. I'd say that's unrealistic. I know some claim such low weights for a deeper rim but even fse rims (45mm deep and wide are 440g claimed). The rims I used were not far and are meant to be 430g but came in at 465g. Take claimed weights with a pinch of salt.

[Marin]

EIE 40mm SL are well under 400g. My 60s are sub 500!

[alcatraz]

Yep, depending on budget you can start at 1300gr for 50mm down to 1200gr. Chinese wheelset. The trick is to use the new rims that come out now. They can make 25(28)mm wide 50 deep rims now that are 410-430gr.

As for stiffness it's in the build. Find a nice combo of hub and spokes. Carbon-ti if you have some dough light/durable, chinese dt240s is a bit heavy but cheaper, or some taiwanese hubs for light and cheap. There are many models so don't listen to people who say they are all crap. Just need to study and get a good geometry.

Thanks. A few questions:
- 25(28)mm wide rims. Do you mean 25mm or 28mm? Or 25mm at brake tracts, 28mm widest part of rim? I presume the former

- where can i find one of the 1200g sets? I am a light rider, so should be able to get away with more than most.

The latter.

If you use extralite/carbonti hubs and lace to the newest generation chinese clincher rims 28mm middle 25mm brake track, even with a textured brake track which adds a few grams you end up with 175-220gr hubs + 210gr spokes (cxray,cn424,pillar1420) + 830gr rims = 1215-1260gr

The money is mostly in the hubs like 60% rims 30%.

[bm0p700f]

Erm the ride 40mm clincher rims are over 400g. Claimed weights are similar to the rims I use.

http://www.eiecarbon.com/carbon-rim-road-bike/----40mm

[Marin]

The 40mm set with 20/24 Pillar 1420 and Novatec 482 SL was exactly 1251g, and it behaves like you would expect.

They aren't listing the SL versions for all depths, but they will make them, 60s are listed: http://www.eiecarbon.com/carbon-rim-roa ... cher--60mm

We received 40, 50 and 60 in Superlight so far. My own set of 60s with 1420 / 1432 rear DS is sub-1500, which is *very* competitive I'd say for a nearly 26mm wide (27 further down) rim.

[RocketRacing]

I am warming to extralight hubs. 1182g estimated with straightpull and 16/20 cxrays. Estimating 440g for 40mm deep 25(27) mm chinese rims. Still only 113g lighter than my 2013 r-sys slr’s... but they will be faster. And i can sell the mavics to offset the cost...

976g if i went tubular... but not ready to go there.

[Marin]

EIE will make you 370g 40mm clinchers.

[Multebear]

I am warming to extralight hubs. 1182g estimated with straightpull and 16/20 cxrays. Estimating 440g for 40mm deep 25(27) mm chinese rims. Still only 113g lighter than my 2013 r-sys slr’s... but they will be faster. And i can sell the mavics to offset the cost...

976g if i went tubular... but not ready to go there.

16/20 spokes is risky. Even with your weight. The weight penalty for 8 more spokes is worth it. I wouldn’t ge below 20/24, or with your weight maybe 18/24.

[fromtrektocolnago]

40 mm rims don't sound like climbing wheels to me. I use a shallow rim wheel Dura Ace C-24's. 40mm sounds like a product designed for aero efficiency not climbing.

[RocketRacing]

EIE will make you 370g 40mm clinchers.

Yeah, but i want 18k carbon. Call me vane

[RocketRacing]

40 mm rims don't sound like climbing wheels to me. I use a shallow rim wheel Dura Ace C-24's. 40mm sounds like a product designed for aero efficiency not climbing.

It is a mix of both. Call is a light aero wheel build. Aero wins for performance, and if i can cut some weight off the rsys... even better.

I still have not ruled out 56mm rims... as much for the look as anything.