Lightest SPD-SL pedals in 2024?

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cheapvega
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by cheapvega

Piecing together a new build and I need to pick some pedals. I have seen mixed reviews on swapping Ti spindles into Ultegra/Dura Ace pedals. I guess used Look Carbon Ti pedals are priced reasonably enough. Just looking for some ~200g SPD-SL pedals that won't seize up or require crazy maintenance.

alanyu
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by alanyu

SPD SL: Ult with Ti spindle.

DA is not good with Ti spindle as the spindle itself plays as the bearing cone, unless you are OK with switching Ti spindle each 1000-3000 km depending on your weight/power/ride style.

KEO: Xpedo Thrust SL 168 g, Thrust 8 Ti 178 g, Exustar PR200CKTi 176 g, HT PK02T 185 g.

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CampagYOLO
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by CampagYOLO

alanyu wrote:
Tue May 28, 2024 4:04 pm
SPD SL: Ult with Ti spindle.

DA is not good with Ti spindle as the spindle itself plays as the bearing cone, unless you are OK with switching Ti spindle each 1000-3000 km depending on your weight/power/ride style.

KEO: Xpedo Thrust SL 168 g, Thrust 8 Ti 178 g, Exustar PR200CKTi 176 g, HT PK02T 185 g.
Any idea how much an Ultegra pedal with a Ti spindle weighs?

OtterSpace
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by OtterSpace

Ti spindles save around 22g from a quick google.

Ultegra stock is 248g claimed -22g = 226g. I have no idea what actual stock weight is.

I own a three Dura-Ace pedals 9000 series and newer and stock weight is: 233.94g, 248.7g, and 248.79g from what I have in my spreadsheets. The weight is way over claimed for two of them so I dug up the photos too.
pedals.png
If you are optimizing the pedals also consider doing the same for the cleat hardware.
hardware.png

alanyu
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by alanyu

CampagYOLO wrote:
Tue May 28, 2024 5:04 pm
alanyu wrote:
Tue May 28, 2024 4:04 pm
SPD SL: Ult with Ti spindle.

DA is not good with Ti spindle as the spindle itself plays as the bearing cone, unless you are OK with switching Ti spindle each 1000-3000 km depending on your weight/power/ride style.

KEO: Xpedo Thrust SL 168 g, Thrust 8 Ti 178 g, Exustar PR200CKTi 176 g, HT PK02T 185 g.
Any idea how much an Ultegra pedal with a Ti spindle weighs?
Save 49 g according to titaniumplanet

https://titaniumplanet.com/en/transmiss ... h-standard

OtterSpace
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by OtterSpace

I've been looking into this more and pulled the trigger on a swap to Ultegra & Ti spindles for my 3 bikes so I should have more to share in a few weeks.

I also figured out the weight differences in my Dura-Ace pedals. The 233g one is PD-R9100 while the 248g are PD-R9000 that I've had for nearly a decade.

Pricing wise new PD-R8000 can be found for under $80 and used for ~$60 pre tax & shipping so I just went new. 3 spindles sets from titaniumplanet cost $70 each after conversion and splitting the shipping costs between them. In total each Ti Ultegra pedal cost me $154.76.

From historic eBay sales PD-R9000 used should sell for $100 or ~$86 after fees while PD-R9100 should sell for $130 or ~$112 after fees.

I'll post weights and document the spindle swap process after I get them. No idea if this will hit my personal bar of $3.50/g but I'm willing to give it a shot.

If I run into wear issues from use I'll report back too. My highest milage bike gets over 200 miles a week when used or over 8,000 miles a year so its a good test for longevity. My other bikes get far less milage so I'll likely keep these pedals with them regardless of high milage wear issues.

:beerchug:


OtterSpace
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by OtterSpace

Also here is a good older thread on the Ti spindle topic viewtopic.php?f=14&t=165272

207g was the result of a swapped Ultegra pedal which initially weighed 260g vs 248g claimed.

pdlpsher1's post contains a good image and writeup on the bearing difference beteen Dura-Ace and Ultegra.
bearing.jpeg
bearing.jpeg (25.32 KiB) Viewed 1102 times

shimmeD
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by shimmeD

What's the stack of these pedals?

My preference over Ultegra is D-A which has lower stack.
Less is more.

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pdlpsher1
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by pdlpsher1

I'm glad you're taking an interest in this and doing an experiment. At a recent bike fitting session the bike fitter found all of my Dura Ace pedals have worn out (at the top where it engages with the tip of the cleat). After realizing that pedals are wear items I replaced all of my worn Dura Ace pedals with 8100 ones, at a cost of $120 from a reputable source on a sale, with the intention of replacing them once every two years. I did see some sell for under $120 but I have a suspicion that they are good fake copies and not the real thing.

I watched a video on the 8100 service tutorial (https://youtu.be/8VRfZLa4AVI?si=I_m95EBG57G1EHn6&t=853) and it appears the 8100 has one set of ball bearings and one bushing roll on the spindle, versus two on the Dura Ace (two sets of ball bearings). I assume the additional plastic bushing in the 8100 add a bit more friction than the Dura Ace.

One last difference between the two is stack height (14.6mm vs. 15.8mm). The wider bearing stance in the Dura Ace allows it to have a lower stack height.

Here are the exploded views of each model of pedals. Sadly, one could get replacement parts for everything except the pedal body. So once the pedal body is worn out you have to buy a new pedal.

https://dassets.shimano.com/content/dam ... 0-4232.pdf

https://dassets.shimano.com/content/dam ... -4056A.pdf

I might give this upgrade a try, since the $/g saved is quite attractive, provided that the axle will last a long time.

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pdlpsher1
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by pdlpsher1

OtterSpace wrote:
Thu Jun 13, 2024 7:25 pm
207g was the result of a swapped Ultegra pedal which initially weighed 260g vs 248g claimed.
I just weighed two new sets of 8100 pedals and both are 245g. My Dura Ace weighed 233g. So the weight savings of the Ti spindle is 38g. (245g- 207g) if the 207g figure is believable.

alanyu
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by alanyu

pdlpsher1 wrote:
Thu Jun 13, 2024 9:39 pm
OtterSpace wrote:
Thu Jun 13, 2024 7:25 pm
207g was the result of a swapped Ultegra pedal which initially weighed 260g vs 248g claimed.
I just weighed two new sets of 8100 pedals and both are 245g. My Dura Ace weighed 233g. So the weight savings of the Ti spindle is 38g. (245g- 207g) if the 207g figure is believable.
Did yoi ever read the original post with the scale shot? 260-207=53.

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pdlpsher1
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by pdlpsher1

alanyu wrote:
Thu Jun 13, 2024 9:52 pm
pdlpsher1 wrote:
Thu Jun 13, 2024 9:39 pm
OtterSpace wrote:
Thu Jun 13, 2024 7:25 pm
207g was the result of a swapped Ultegra pedal which initially weighed 260g vs 248g claimed.
I just weighed two new sets of 8100 pedals and both are 245g. My Dura Ace weighed 233g. So the weight savings of the Ti spindle is 38g. (245g- 207g) if the 207g figure is believable.
Did yoi ever read the original post with the scale shot? 260-207=53.
Yes. The reason why I questioned the 207g is because the 260g. number is way off. And I know there are questionable 8100 new pedals being sold. It would be absolutely amazing if I could really save 53g and end up with 192g 8100s (245g - 53g).

And since my 9100 is within 1g. different from Otterspace's 9100 my scale should be accurate.

OtterSpace
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by OtterSpace

pdlpsher1 wrote:
Thu Jun 13, 2024 9:12 pm
I'm glad you're taking an interest in this and doing an experiment. I did see some sell for under $120 but I have a suspicion that they are good fake copies and not the real thing.

I might give this upgrade a try, since the $/g saved is quite attractive, provided that the axle will last a long time.
Great additional info. The more I'm looking into this the more that this seems like a bad idea but I'm fine being a guinea pig as I love tinkering with bikes.

Yeah in looking around it seems like there are tons of knockoff Shimano pedals in the market now. I knew knockoff XT pedals existed from reading around here and have purchased knockoff cleats before branded as the real thing that were absolute garbage that I replaced almost immediately. It sucks when they try to sell as something they are not and I do not want to support such products.

Can you please weigh your pedals since you are confident that you have a few real sets of PD-R8000? edit: as I typed this you weighed it :thumbup: In looking around R2 and some places show scale shots of near the Shimano claimed weight of 248g while the knockoffs not branded as Ultegra claim 270g and there are multiple scale shots of Ultegra branded pedals weighing 260g which may well be knockoffs.

Given Ultegra is loose ball its likely a bad idea to try Ti spindle so I dont think I'd recommend it to others from that alone even if I dont see much wear. However if you start from real PD-R8000 and the n=1 info we have on the spindle is correct a ~200g Shimano SPD-SL is highly likely all be it with a flawed design for material on material contact. 192g is likely not possible as the spindle weights are likely different between knockoffs and genuine.

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pdlpsher1
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by pdlpsher1

I do notice that my 8000s have hollowed out spindles. In fact the hole is bigger in the 8000s than in the 9100. If the 260g 8000s are the counterfeits one likely place to save cost is a non-hollowed out spindle. If this is true then the 53g saving from the other thread is inflated. The real number could be around 38g. and not 53g.

Wow. R2-Bike's price on the 8000 is only 84 Euros.

Please keep us posted when you get the parts, especially the 8000s which I'm interested in the weight and the axle construction (hollow vs. non-hollow)

ps just read about what you wrote on the spindles after I typed this. We're on the same page.

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