pazcc
Peloton Rider
Posts: 4
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Post by pazcc on Mar 7, 2023 9:14:57 GMT
Hello! Apologies in advance if I'm posting in the wrong place here. I've recently bought a Btwin Ultra AF 2018 frame so I could build up a nice inexpensive aluminium road bike and I'm really looking forward to getting in the saddle with it. However, I can't find much info out there on tech specs! I'm hoping a fellow Ultra AF owner might know some answers: 1) Does this frame take a 1/5 or 1/4 tapered fork? I already have a nice Ritchey fork but it is a straight tube and has an integrated crown race so I don't think I can make it work (please correct me if you think otherwise!) 2) Can anyone confirm the bearing sizes? By my workings it is a ZS44 on top and IS47 bottom, but I'm no expert here. Decathlon said to get an Ultegra Press Fit (R8000) on the bottom bracket but they also said it was a 27.2 seat post, which it isn't. So I'd like to double check here too before I take it out of the package. 3) The integrated cable cover plastic things didn't come with the frame and they are out of stock on the website (at least in Spain where I live). Any ideas on a work around here? Thanks in advance for any help or tips you can give me! Sam in CastellΓ³n, Spain
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Post by phred1812 on Mar 9, 2023 10:13:02 GMT
Can anyone help this chap? Chas?
I have no experience of the Ultra AF
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pazcc
Peloton Rider
Posts: 4
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Post by pazcc on Mar 9, 2023 15:53:22 GMT
Thanks Phred! Update on point 3: the cable cover things should come back in stock soon, says Decathlon. No reply from them yet regarding fork/bearing measurements though.
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Post by bandit3 on Mar 9, 2023 19:42:09 GMT
Welcome to the siteπ Chas is generally the guy with the technical knowledge.
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pazcc
Peloton Rider
Posts: 4
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Post by pazcc on Mar 9, 2023 22:34:48 GMT
Thanks Bandit! I've heard great things about this frame and I'm excited to ride it.
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Post by jondxxx on Apr 5, 2023 8:03:40 GMT
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pazcc
Peloton Rider
Posts: 4
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Post by pazcc on Apr 10, 2023 14:57:13 GMT
Hello! Just an update regarding the frame.
1) It is a 1 1/4 tapered fork. The lower bearing is ZS47. I've managed to get my straight steerer tube fork in it OK but it looks a bit odd because of the smaller crown diameter. On the hunt for a tapered one now.
2) The integrated cable cover plastic thingys are still not back in stock, which is really annoying as that is the only thing stopping me from finishing the build. Any ideas welcome! Glad to see the new Van Rysel alu frames have external cabling.
Cheers!
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Post by bandit3 on Apr 10, 2023 15:35:33 GMT
Hello! Just an update regarding the frame. 1) It is a 1 1/4 tapered fork. The lower bearing is ZS47. I've managed to get my straight steerer tube fork in it OK but it looks a bit odd because of the smaller crown diameter. On the hunt for a tapered one now. 2) The integrated cable cover plastic thingys are still not back in stock, which is really annoying as that is the only thing stopping me from finishing the build. Any ideas welcome! Glad to see the new Van Rysel alu frames have external cabling. Cheers! Keep searching you'll get there π
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