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Messages - timmae7

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Road Bike Frames, Wheels & Components / Re: Xiamen Carbon Speed rims/wheels
« on: August 26, 2026, 01:27:22 AM »
Anyone else running the 26int/33ext rims with 30mm Pirelli P Zero SL-R TLRs seeing sidewall wear when cornering hard?

It looks like the tread just isn’t quite wide enough for this rim/tire combo. I also saw on Bicycle Rolling Resistance that they measured the 28mm version as actually having a wider tread than the 30mm, which seems a bit odd and makes me wonder if that’s part of what’s going on here.

I’ve attached a few photos of my tires. I’ve only done two crits on them, both with mostly left-hand corners, and you can already see pretty clear wear extending down the left side. I’m curious whether this is something Pirelli has seen before and whether they’re likely to address it.

Bit of a shame, because apart from that they’ve been great — fastest tires I’ve used, and no punctures so far after 1,600 km.


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Road Bike Frames, Wheels & Components / Re: [GIVEAWAY] Participate for Free! 3 Lucky Cyclists to Win XOSS G3 GPS Bike Compu
« on: March 12, 2026, 07:04:31 AM »
I'm in!

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Cyclocross Frames, Wheels & Components / Re: Carbon gravel frame for 29x2,2 or 29x2,4 tires
« on: January 27, 2026, 05:31:14 AM »
Quote from: CycOps on January 26, 2026, 01:21:22 PM
Nice bike! So what is your fork length? The MTB-066 was designed for 506mm fork. Have you done the math and know your actual steering and seat tube angle?

My fork is 480mm with a 52mm offset. The increase in reach isn’t too bad, and I prefer the steeper seat tube angle for a more aero position. The head angle feels fine too—the original was already pretty slack.

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Cyclocross Frames, Wheels & Components / Re: Carbon gravel frame for 29x2,2 or 29x2,4 tires
« on: January 23, 2026, 08:30:22 AM »
Quote from: ains on January 17, 2026, 06:24:57 AM
It looks cool in size L! What is the weight of your bike?

Total weight is 8.7kg with bottle cages and pedals!

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29er / Re: BXT 2025 New 29er T1000 Carbon MTB Hardtail Frame - MTB-066
« on: January 23, 2026, 08:26:58 AM »
Quote from: Sluggo on January 21, 2026, 01:30:25 AM
This is the BXT, correct? What stem/spacer setup are you using?
Mine was supposed to arrive today. I guess tomorrow now?

I agree about the Airwolf reach & TT length. That was another concern of mine. That 73° seatube angle makes for a lot of room. I'd go with a post with no set back. I'm still tempted to try one for the 69.5° head tube and 438 chain stay.

Yes, this is the BXT frame. I’m using an FSA NS SMR-II stem together with this ACR-standard headset set from Aliexpress: https://nl.aliexpress.com/item/1005005134539335.html. Fortunately, it fits perfectly.

The frame comes with a round headset, which has holes for semi-internal cable routing. I'd be interested to hear your opinions on the frame once it arrives.

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29er / Re: BXT 2025 New 29er T1000 Carbon MTB Hardtail Frame - MTB-066
« on: January 16, 2026, 06:49:09 AM »
I recently built this frameset for beach racing, pairing it with a drop handlebar and a rigid Ryet fork. I upgraded from an Airwolf YFM026 (size XL) to this frame in size L to achieve a shorter reach (the Airwolf reach was extreme with a rigid fork) and benefit from more progressive geometry, T47 bottom bracket, and full internal cable routing.

I’m very happy with the quality of the frame and how the build turned out. It’s a true do-it-all gravel/beach bike with massive tire clearance.

The main downside for me, common to many MTB frames, is the limited chainring size. With Boost spacing, the largest chainring I can run is a 40T (the aliexpress seller told me 42T which is simply not true). The Airwolf was exceptional in this regard thanks to its dropped chainstay, allowing up to a 46T.

Another thing to note, like jefflinde said, is that this frame only accepts a 27.2 mm seatpost rather than the more common 31.6 mm MTB standard. That wasn’t an issue for me, but it’s worth considering if you plan to run a dropper post.

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Cyclocross Frames, Wheels & Components / Re: Carbon gravel frame for 29x2,2 or 29x2,4 tires
« on: January 16, 2026, 06:31:16 AM »
As mentioned by others on this forum, I think we’re still at a point where the only practical way to run >2.2" tires on a gravel bike is by using an MTB frameset with a rigid fork.

Here’s my current build: a BXT MTB-066 frame paired with a Ryet fork. Since I do beach racing, my main requirement was to fit 60mm G-One Speed tires. I upgraded from an Airwolf YFM026 (size XL) to this frame in size L for a shorter reach (as reach and stack become more aggressive with a rigid fork if its shorter than a typical MTB suspension fork), more progressive geometry, T47 BB, and the ability to fully internally route the cables.

I’m very happy with how the build turned out—it’s a true do-it-all gravel bike with huge tire clearance. For summer, I swap to a set of 2.35" Thunder Burt tires. The only real downside, as with many MTB frames, is the limited chainring size: with Boost spacing, the largest I can fit is a 40T (the Airwolf was exceptional in that sense with a dropped chainstay and could fit 46T).

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Road Bike Frames, Wheels & Components / Re: VB-TT-023 Finished Build
« on: February 24, 2025, 08:05:26 AM »
Quote from: hartmanr105 on February 22, 2025, 11:25:17 PM

Components:
Magene PES 505 Crank Power Meter (170mm)


Your build looks fantastic! I'm building up the same frameset and am considering the Magene PES 505 crank power meter as well. However, I noticed that it’s mentioned as incompatible with a T47 bottom bracket (due to clearance issues between the spider & frame/BB). Did you encounter any clearance issues or need to use spacers to make it work?

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Road Bike Frames, Wheels & Components / Re: Ace Sprint carbon wheels on Aliexpress
« on: February 03, 2025, 10:08:38 AM »
Quote from: Barry McCockiner on November 22, 2024, 11:14:37 AM
I got their Super light Disc and newer Tri spoke (they upgraded me to the newer one after I bought the older one, maybe they didn’t make it anymore or would have taken longer who knows). Ordered Tri Spoke during Choice Day and Disc during 11.11 and stacked those discounts with some coins to get them both for sub £600.

Fingers crossed they’re decent enough quality

Hi Barry, how are you liking the AceSprint disc wheel? I'm thinking of ordering one as well.

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