Seraph Bikes Superlight 836g X68 - Alternative to SL8 Fakes?

[Cnasta]

I'm almost ready to order this frame, just need to decide on the design of my decals (not speci of course).

I'm trying to do a 'leight weight-ish' build with 1250gr wheels. I'm fitting a Di2 11sp ultegra group. Just need to buy a crank. I need a powermeter, 11sp compatible, 172,5/170mm crank lenght and 52/36 rings. I'd like aero/closed rings that look look (like absolute black/alu gear). What would you guys advice (not to expensive, not heavy - preverably leight weight)

Is this the best option:
Magene Power Meter PES P505 Basis 4 Bolt 110BCD 24mm
PASS QUEST 110bcd

[jonathanf2]

Is this the best option:
Magene Power Meter PES P505 Basis 4 Bolt 110BCD 24mm
PASS QUEST 110bcd

I'd also consider the Magene P505 S1103 spider only. You can mount that to any 3 bolt crankset such as the Riro carbon cranks and get additional weight savings. I have two of S1103 PM spiders on my road bikes using carbon cranksets. It'll also open you up to any 110bcd 4 and 5 bolt options.

[KaiDeus]

The riro crankset has a 24mm aluminium spindle, I would not trust it. The magene crankset has a 24mm steel spindle like shimano has. As someone who had a broken spindle once, I would not go for aluminium, why chance it?

[Cnasta]

The riro crankset has a 24mm aluminium spindle, I would not trust it. The magene crankset has a 24mm steel spindle like shimano has. As someone who had a broken spindle once, I would not go for aluminium, why chance it?

That sounds like a valid argument that I've read before. What your option be for PM, crank and chainrings? Is the PES Magene crank option that heavy/too heavy?

[KaiDeus]

It is really not that heavy. I'm using the shimano chainrings for the best shifting performance. The crank + chainrings weigh around 820g. That is roughly 100g heavier than the ultegra chainset without a pm. That is a tradeoff I gladly chose.

[jonathanf2]

The riro crankset has a 24mm aluminium spindle, I would not trust it. The magene crankset has a 24mm steel spindle like shimano has. As someone who had a broken spindle once, I would not go for aluminium, why chance it?

3 bolt cranksets in steel and 29mm axles also exist.   

[KaiDeus]

That depends of whether you want to use a 29mm spindle of a frame with a 41mm bb shell or you have a larger diameter bb, so you won´t have to use tiny bearings.

[ancientone]

Do you guys order TT and Seraph directly from their web site or is there a cheaper alternatives ? Is TT and Seraph the same or different ?

[kubackje]

I'd also consider the Magene P505 S1103 spider only. You can mount that to any 3 bolt crankset such as the Riro carbon cranks and get additional weight savings. I have two of S1103 PM spiders on my road bikes using carbon cranksets. It'll also open you up to any 110bcd 4 and 5 bolt options.

Pes505 is a great crankset with power meter. Weigh is competitive.

Riro have questionable quality and s1103 is pretty heavy at almost 150g. Would not chose this combo over pes505 base

[jonathanf2]

Pes505 is a great crankset with power meter. Weigh is competitive.

Riro have questionable quality and s1103 is pretty heavy at almost 150g. Would not chose this combo over pes505 base

I prefer having options with different cranksets and bottom bracket types. Plus I can go with a lightweight carbon or a sturdy steel crankset if I choose. To each their own, but I'd rather have flexibility.

[TidyDinosaur]

I prefer having options with different cranksets and bottom bracket types. Plus I can go with a lightweight carbon or a sturdy steel crankset if I choose. To each their own, but I'd rather have flexibility.

Yeah, for some reason people seem to prefer 1 fixed heavy option compared to flexibility....

[KaiDeus]

We are still talking about a frame with a 41mm bottom bracket shell. 3 bolt 29mm axle is a dead end system, if you don't have a 46/47mm bb shell.

[jonathanf2]

We are still talking about a frame with a 41mm bottom bracket shell. 3 bolt 29mm axle is a dead end system, if you don't have a 46/47mm bb shell.

Bro, there are 24mm steel axle 3 bolt cranksets available on the market. As it stands, 3 bolt cranksets are perhaps the most prevalent and price competitive option in the Chinese crankset market.

This isn't a complex scenario. Either A you prefer a fixed PM+crankset option -or- B you prefer the flexibility of a versatile PM+whichever crankset. Only reason I even mentioned this option is due to people who've been bodging their PM from the PES crankset and moving it to something else. They could have just bought the stand alone unit in the first place. 

[Sander2177]

Hmmm I am so tempted to buy this!
have an actual SL8 S-Works and TAN TAN are not your regular counterfeit  frame operation, so with this and the Supersix they now have it does make you think.
Good to see when someone posts a frame up

[Takiyaki]

Hmmm I am so tempted to buy this!
have an actual SL8 S-Works and TAN TAN are not your regular counterfeit  frame operation, so with this and the Supersix they now have it does make you think.
Good to see when someone posts a frame up

What is their Supersix clone? They also have a Cervelo R5 clone in road and gravel geometries.