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Messages - mikelmtb

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1
I completed my build Thursday (the same day my frameset arrived).
I had all of my build components on hand and was ready.  No issues at all, I purchased this frame from another vendor on Ali, but its identical to the Airwolf YFR068/Cervelo Aspero 5.  Ordered mid-June, shipped on 7/15, rec'd 7/18.

A few notes, just like everyone else -
The headset bearings and compression ring are different than Cervelo, but I found the quality of my bearings to be good.  I chose to go with the SL7 split ring.
The through axle thread on frame is different than Cervelo, since the thread is an insert on the frame vs an independent nut.
The Rear derailleur hanger is different.
This frame lacks bottle cage threads on the downside of downtube.
This frame lacks frame protection on the downtube, though I had OE Cervelo pieces ready and they are self-adhesive.
The remainder of the frame is a 1:1 clone with Cervelo Aspero 5, all the way down to the paint.

I used full Sram Red AXS 1x XPLR and Zipp 303 firecrest wheels, so I can't comment on the FD.  I removed the FD Hanger and replaced it with the Cervelo blanking plate.  The routing of the two brake hoses was remarkably easy.  I thought the idea of wide BB might be an issue for me, since Red does not come aftermarket with the wide spindle.  I live in flat, flat Florida, so the idea of a larger chainring was kind of appealing...but I am a spinner, not a grinder.  I went with a 42T ring on the standard width spindle.  There ARE some OE SRAM Red Wide offerings but they are very rare and hard to come by, I even confirmed this with SRAM Support.  My setup is NOT wide, and I have zero issues.  I am running a 42T 1X ring and the 3.5mm spacer on the drive side of the BB.  I'd be reluctant to go larger and for me, personally, its not needed.

So far, two rides logged (30 and 25 miles) - nothing significant to report, other than the standard re-tightening of things after the first ride.

Are you sure that you don´t have any play on the headset?
As far as I remember, original bearings have a 0,5mm bigger ID than the SL7 compression ring.
I think that you should have installed SL7 bearings together with the SL7 compression ring, which have a ID that matches compression ring.

As I noted before on this thread, mech hanger is also the same as the SL7.

About crank axle lenght. I have a RED-QUARQ crankset, normal road widht. With double ring 34-50, the gap from inner ring to the chaninstay is minimal, but I didn´t have any rubbing problem during more than 4.000 kms.

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Did you use both parts? I can't fit the second/smaller ring in with the brake cables, etc. I am still using the original headset bearings.

You need to replace also bearings with the ones with specialized measures: 49.5x40.5x6.5.

I think that bearings that come with the frame are 49.5x40x6.5. So, with these bearings  the specialized compression big ring gets deformed to assembly, leaving no space for small ring.
I changed everything to specialized bearings and compression ring because I couldn´t find 49.5x40x6.5 bearings when I got one original broken. Seems that those bearings are propietary to Airwolf.

Definitively, headset works much better with 49.5x40.5x6.5 bearings and specialized compression ring. Rode 2000 kms since replacement and headset didn´t come loose at any time.

3
Thanks! That's very interesting, and obviously different to OEM Aspero which uses two different sized bearings.

This forum, and this thread, has been so useful, I'd be hitting my head against the wall if I tried to go alone with it.

There are few different things between this frame and OEM Aspero:
- Headset bearings and compression ring are different. Specialized ones can be fitted.
- Rear wheel through axle thread on frame is different. Cervelo has a independent nut and Airwolf thread is built on the frame itself. Same construction as specialized frame.
- Rear derailleur hanger is different. You can install specialized disc frames hanger. I installed a specialized direct mount hanger for the GRX Di2.
- Airwolf frame lacks bottle cage threads on the downside of downtube.
- Airwolf frame lacks frame protectoron on the downtube.
- Airwolf doesn´t provide front brake adaptor that must be fitted if you use different position on front wheel axle (trail mixer). I don´t know if Cervelo adapter would be compatible.

Rest of the frame I think that it is one to one with Aspero.

4
Thanks for that info.

On the Venge and SL7, it uses the same size bearing at the top and bottom of the head tube - is it the same with this frame?

Yes, exactly the same. Both bearings are the same for this frame also.

5
If you want to install SL7 compression ring, you need to order also SL7 specific bearings. AFAIK the bearings provided with the frame are not exactly the same, they have a different internal diameter. Outer diameter is the same, in order to fit on the frame.
SL7 bearings can be found from realiable brands or also on any specialized store.
I consider that it is a good idea to install good quality headset bearings on frames like this. If you need to replace them, you need to disassembly all the hoses, quite a mess. So better get good ones which may have less maintenance isues.
Personally i purchased bearings from brand Black Bearing.

6
Nice! Which one did you sign up for?

I managed to get some original small parts from my LBS; bottle boss cover plate, Downtube and chain stay protectors. The Cervelo seat clamp does not fit, for that reason I sanded the the one that came with the frame and spay painted matte black  ;D

I´m repeating Basajaun ultra gravel, did it also in 2022. 850 kms and +15.000m.  :o

7
Last Saturday I put the bike to test during one of Europe's biggest gravel events, The Traka in Girona, Spain. First time for me and joined the 200km route with 2500m elevation. Bike got some serious beating and did not let me down, it's still in one piece!  ;D

https://www.thetraka.com/

Nice test for the bike! I´m doing an Ultra also this summer.

A pair of questions:
- Where did you get the cover for the toptube bolts?
- Seat clamp is the original or you bought from Cervelo?

8
i only modified the top of the compression plug/ expander because otherwise the stem would have been impossible to get mounted. i did not modify the c-ring (split ring) sitting on top of the bearing.

This Airwolf frame has some mixed things. Some parts are the same as Cervelo (seatpost clamp, stem,....) and some others are same as Specialized (derailleur hanger, headset bearings,...).
For example, I replaced original hanger with direct mount model for specialized, so I can install GRX derailleur without the connection link.

After replacing original bearings (they´re a little bit crappy) with the ones for Specialized Tarmac SL7, I also replaced compression ring (split ring) with the Tarmac SL7 model I bought in Aliexpress. Cables and hoses guiding is better, headset adjust is now much better and has zero play.

Next step will be to replace the compression plug (the one that needs to be sanded to fit stem) with the model that J&L sells, compatible with Cervelo "C" shape fork. Part is on the way and I hope that once installed it has better grip inside the fork. Original one slips upwards if you apply more than a certain torque to the headcap.

9
I'm looking for flared drop bars that works with the d-shaped steerer tube and stem combination that comes with the YFR068 frameset. I'm curious if anyone succeeded finding one.

I installed a Syncros Creston gravel flared carbon bar, cables are internal and has a hole in the stem clamping area to drive hoses through the stem.
3T also has this type of handlebars with hole in the stem clamping area, alu and carbon versions.

Replacing stem is quite more complicated, "C" shape is propietary and only Cervelo has this type of stems. People says that can work with normal round stems, but I wouldn´t risk with that option. So, I kept the original Airwolf stem which is reasonably light.

10
Do you know if that works for the top and the bottom?

Yes, both bearings are the same. I installed both new, "Black Bearing" brand, would say that quality felt much better than the ones supplied with frame.

11
After a lot of adjustments with the headset (couldn´t get the point on which the headset had no play but worked smoothly), top bearing on my bike was broken during a ride. Maybe due to a shim that I installed, wich applied too much load on bearing.
I replaced the headset bearings with the reference for Specialized Tarmac SL7 & SL8, 49.5x40.5x6.5. Now headset is working finally smooth and without any play.

12
I'm running 160mm rotors with SRAM Force, no adapters needed.

At least on my frame, it is a 140 rotor if you install a Shimano GRX brake caliper directly without adapter.
I would need to install a adapter to the GRX caliper in order to use 160 rotor.
Don´t know if Force and GRX calipers are different.

13
Is this the one? https://a.aliexpress.com/_EvPJ3Q9

Yes, was not exactly that one, but must be compatible.
AFAIK Specialized has the same hanger for all the latest disc frames.

14
Useful information if somebody wants to install a direct mount hanger. Asked Airwolf about, but they only had normal hanger. The hanger looked really similar to Specialized discs model. I bought a specialized direct mount hanger, exactly same dimensions and works perfectly.

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