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PostPosted: Fri Jul 27, 2018 12:00 am 
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Haven't gotten to the scary/good stuff yet, but here is what has happened so far.

Package arrived today, opened it up for a quick peek, new parts are so Pretty!!!

Went for one last ride without a dropper post.

Then I decided to open up and inspect everything, which included weighing things, of course!

Original Carbon 410mm post was 226grams, I had 7+ inches of post inserted in the frame, so I could have cut this and probably dropped it closer to 200grams.

Now the New post is not just the weight of the post, but also cable, lever and bracket.

The post itself weighed in at 479 grams, when advertised was 467 grams.
Lever was 27 grams, bracket was 11, for total 38, advertised was 35.1g.
Cable and connectors came in at 76grams.

So total weight is 581g, compared to advertised 550g for the 375mm with 125mm drop. This equates to a gain of 355 grams. EEEEEK, oh well, I can personally stand to lose 20 lbs, so I guess .78% of a pound isn't terrible.

Because this will require drilling of the frame, I decided I would fit the lever first, and test fit the cable to decide where I want to drill. This is about where I got to this evening. I have now decided where to drill and will do that and the remaining install tomorrow evening.

NOW for pictures.
Image

Image

Image20180726_222413.jpg by Matthew Kogan, on Flickr

Image20180726_222833.jpg by Matthew Kogan, on Flickr

Image20180726_222856.jpg by Matthew Kogan, on Flickr

Image20180726_233049.jpg by Matthew Kogan, on Flickr

Image20180726_222949.jpg by Matthew Kogan, on Flickr

Image20180726_223045.jpg by Matthew Kogan, on Flickr

Image20180726_224829.jpg by Matthew Kogan, on Flickr

Image20180726_225140.jpg by Matthew Kogan, on Flickr

Hole is going to go in the center of the red pin striped area. Gives good range of motion and I think will look clean.

Image20180726_225318.jpg by Matthew Kogan, on Flickr

This is from the Santa Cruz cable guide kit. Shouldn't require anything fancy, I think either a round or slightly oval hole will work fine.


Last edited by 325racer on Fri Jul 27, 2018 11:13 pm, edited 1 time in total.

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PostPosted: Fri Jul 27, 2018 11:10 pm 
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Picked up today after work and went right in for the hard/scary part, drilling the frame.

Image20180727_172001.jpg by Matthew Kogan, on Flickr

1. Picked a location that seemed logical and had good cable routing.
2. Taped to prevent chipping.
3. Started drilling. Started with a small pin hole size drill and worked my way up to 1/4". Once I was at 1/4" I did one last pass at an angle that matched that of the cable grommet.

Image20180727_172952.jpg by Matthew Kogan, on Flickr

4. Test fitted Grommet.

Image20180727_180455.jpg by Matthew Kogan, on Flickr

5. Inspected frame and tried a few methods to get the cable routed internally. Ultimately ran the cable from the seat tube up to the new hole in the downtube.
With this model seat tube you end up cutting the end off the cable so direction wouldn't matter much, although I found it easy to put a slight bend in the raw end of the cable to help make the turn at the bottom of the seat tube. Then gently pushed the cable up until I could see it through the new hole. I then used a magnet to "guide" the end of the cable to the hole. Once I had the end of the cable, I ran the housing down over the cable, being careful not to kink the cable at the turn from downtube to seat tube.

Image20180727_180522.jpg by Matthew Kogan, on Flickr

Image20180727_181910.jpg by Matthew Kogan, on Flickr

Image20180727_181913.jpg by Matthew Kogan, on Flickr

Image20180727_181922.jpg by Matthew Kogan, on Flickr

Image20180727_182204.jpg by Matthew Kogan, on Flickr

Image20180727_182209.jpg by Matthew Kogan, on Flickr

6. Attached the dropper post connection hardware.

Image20180727_184637.jpg by Matthew Kogan, on Flickr

7. Test fit the post, pull extra housing length out the front end, measure twice and cut the housing.

8. Insert cable and connect to post connection hardware. For this post you end up cutting the normal shifter "ball" off the end and using set screws to attach.

Image20180727_185727.jpg by Matthew Kogan, on Flickr

9. Add air per this dropper post instructions.

10. Rough fit post to height.

Image20180727_190910.jpg by Matthew Kogan, on Flickr

11. Connect cable to lever, trim cable and install cable end.

Image20180727_190913.jpg by Matthew Kogan, on Flickr

12. Lightly grease seat rails to avoid squeaking.

Image20180727_191110.jpg by Matthew Kogan, on Flickr

13. install seat

14. Final Fitment, Up, down and with saddle bag. Might end up adding a Wolf Tooth Valais https://www.wolftoothcomponents.com/collections/accessories/products/valais-25

Image20180727_192033.jpg by Matthew Kogan, on Flickr

Image20180727_192039.jpg by Matthew Kogan, on Flickr

Image20180727_192050.jpg by Matthew Kogan, on Flickr

Image20180727_192159.jpg by Matthew Kogan, on Flickr

Image20180727_192209.jpg by Matthew Kogan, on Flickr

Initial ride around the street says it will be AMAZING!!! Time to get more rowdy!!!!


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avidtest, Big Clyde, Dirtrider, Ld00d
PostPosted: Sat Jul 28, 2018 9:35 am 
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PostPosted: Sat Jul 28, 2018 11:27 am 
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1. You are a funny mothereffer Mathew
2. Thanks for the post
3. Don't fret about the extra post weight. Just think how much you dropped by drilling out all that carbon...
4. You got any race vids posted? (car, not bike).

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PostPosted: Sat Jul 28, 2018 4:32 pm 
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avidtest wrote:
1. You are a funny mothereffer Mathew
2. Thanks for the post
3. Don't fret about the extra post weight. Just think how much you dropped by drilling out all that carbon...
4. You got any race vids posted? (car, not bike).



Yeah, cause that 1/4" hole removed a lot of carbon.

Here's a couple track videos. Haven't actually "Raced" lately, but have done a few DE's.
This one is most interesting at about 20 seconds.
https://youtu.be/T_U-zCeBioQ

Buttonwillow
https://youtu.be/cZ5mJTmYLzs

COTA in a rental car BMW 328
https://youtu.be/ikjpjmaH1wg

Coronado
https://youtu.be/RjOPO4vFjnw

BW race from 8 years ago.
https://youtu.be/bfp7-ugEu0g

Chuckwalla "Media Day" IE. First cars on track.
https://youtu.be/DD0Z8UGWSsE

Laguna Seca
https://youtu.be/NwryFnBBdqQ


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avidtest
PostPosted: Sat Jul 28, 2018 4:57 pm 
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And back to the post that this post was posted about.

I should have done this a LONG time ago. It's like a new bike. So much more fun and lively on the descents with the seat dropped. As a secondary, it seems to have resolved some noises from the saddle. I had a 0 setback post before and my saddle was mounted about as far back as possible, causing creaking and popping. The new post is a 25mm setback and the saddle now mounts in the center of the rails.

Some Pics on the trail.

Image20180728_092325.jpg by Matthew Kogan, on Flickr

Image20180728_092335.jpg by Matthew Kogan, on Flickr

Image20180728_092341.jpg by Matthew Kogan, on Flickr

Image20180728_092356.jpg by Matthew Kogan, on Flickr

Life through old Oakley Persimmons lenses on an overcast morning.
Image20180728_092520.jpg by Matthew Kogan, on Flickr

Image20180728_092532.jpg by Matthew Kogan, on Flickr

Image20180728_092718.jpg by Matthew Kogan, on Flickr

And lastly a memorial for the 83 year old man that had gone missing last Sunday and was found by a hiker minutes before my ride on Thursday.
Image20180728_101934.jpg by Matthew Kogan, on Flickr


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Ld00d
PostPosted: Sat Jul 28, 2018 7:32 pm 
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I really think these drop seat posts might catch on.. :wink:

Nice write up Matthew

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PostPosted: Sat Jul 28, 2018 11:38 pm 
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Dirtrider wrote:
I really think these drop seat posts might catch on.. :wink:

Nice write up Matthew


I know! Biggest issue was this was kind of a weight weenie build and the frame had no provision for either internal or external cables.

Heck, I was actually an early adopter of dropper post on my 2013 Santa Cruz, with the first gen externally routed Reverb.


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