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-   -   Eighth Inch "Scrambler" (https://www.bikeforums.net/singlespeed-fixed-gear/457350-eighth-inch-scrambler.html)

eighthinch.com 11-06-08 01:34 PM


Originally Posted by kringle (Post 7802858)
There are a few design flaws, though. The water bottle holes are too close together, two bottles won't fit without flipping a bottle around when inserted. The other issue I have is the low bottom bracket. If you can just send the blueprints to the factory, why not make a higher bottom bracket? It feels like I can't go bigger than 165mm cranks. Lastly, the rear brake bridge isn't designed for a short reach caliper. That's really odd because the fork that came with the bike does require a short reach caliper.
The only cosmetic issue I have are the brake bosses on the top tube. I know it makes the bike more functional, but zip-tying a brake cable housing to the tube to use a rear brake is functional also. Doing without the bosses will make the bike look immensely cleaner without a rear brake.

Thanks for the input- we just put our next order in and we already saw the brake issue- on future bikes both front & rear will be for standard reach brakes. Also- moving the downtube bosses up 30mm to fix that problem. We are having the rear brake cable guide braze-ons removed- we have had others suggest this also.
For the BB drop height- it is a bit complicated and the changes won't make it into this next order but we are going to look at that for the next time.

Keep up the input!

iamagiant 11-10-08 08:07 AM

I bought one of these frames as well and my only complaint is the bottom bracket height as well. I had a set of sweet campy cranks that were 172.5 mm and they appeared dangerously close to the ground. Had to search out a cheap set of 165's for now.

The carbon fork they had on them is really nice. Got mine built up black on black on black and it looks really sweet.

ZiP0082 11-10-08 08:17 AM


Originally Posted by iamagiant (Post 7822157)
The carbon fork they had on them is really nice. Got mine built up black on black on black and it looks really sweet.

do you know the weight of your build?

DIRT BOY 11-10-08 08:36 AM


Originally Posted by kringle (Post 7802858)
Lastly, the rear brake bridge isn't designed for a short reach caliper. That's really odd because the fork that came with the bike does require a short reach caliper.

I had the same issue with a Tomasso Augsta frame form Randall Scott Cycles. They denied it and said thye have no issues mounting standard rear brakes. With the wheel all the way froward in the RD, I barley had the pads touching the rims. No way to really even brake. 99% of the pads were on the tire.

Sent it back and got a full refund. Their tech dept is clueless!

eighthinch.com 11-10-08 09:19 AM


Originally Posted by iamagiant (Post 7822157)
I bought one of these frames as well and my only complaint is the bottom bracket height as well. I had a set of sweet campy cranks that were 172.5 mm and they appeared dangerously close to the ground. Had to search out a cheap set of 165's for now.

Thanks for the input- normally we recommend 165mm or 170mm max for any track frame- 172.5mm is a bit big for any fixed gear bike.
Notwithstanding we are going to be looking into tweaking the geometry for a future release frame to get the bb height up a bit.

anthegreat1 11-10-08 09:38 AM

when are the newer frames going to be available

Understanding 11-10-08 10:56 AM

will they be lighter?
made of better tubing? lugged?

eighthinch.com 11-10-08 11:04 AM

Before going on- let me mention that the current frame design is totally functional and we have a lot of happy customers with it. We have sold over 150 frames to date, and feel good about the design overall.



Originally Posted by anthegreat1 (Post 7822610)
when are the newer frames going to be available

The next batch of frames are expected in late January- this will have the standard reach brake mounts F+R, the bottle cage mount on the down-tube is being moved up 20mm, and the top tube brake mounts are being removed. Everything else will stay the same.



Originally Posted by Understanding (Post 7823102)
will they be lighter?
made of better tubing? lugged?

Same tubing- 4130 chromoly with a butted top tube. No lugs at this point. What we are after is a very inexpensive bike that holds up well and can be built into a lot of different styles. I am not against having a higher-end model sometime, but for now I think this is filling a demand out there for a great priced entry-level fixed frame.

Once again- thanks for all the great discussion- we really appreciate it!

kringle 11-10-08 11:35 AM


Originally Posted by eighthinch.com (Post 7822512)
Thanks for the input- normally we recommend 165mm or 170mm max for any track frame- 172.5mm is a bit big for any fixed gear bike.
Notwithstanding we are going to be looking into tweaking the geometry for a future release frame to get the bb height up a bit.

There are people in the track forum who use 175mm cranks, because of their leg measurements and a frame designed with a higher bottom bracket.

eighthinch.com 11-10-08 11:44 AM


Originally Posted by kringle (Post 7823380)
There are people in the track forum who use 175mm cranks, because of their leg measurements and a frame designed with a higher bottom bracket.

I can understand- we are looking into getting it changed.

modernfuturist 11-10-08 12:16 PM

Anyone else interested in this frame? We currently have 4 people in on the Group Buy forum, and one more person would make the frame $125 shipped!

Understanding 11-10-08 03:25 PM

well, the first frame this compete with would be the kilo tt,
http://bikeisland.com/cgi-bin/BKTK_S...ls&ProdID=1084

in a nice friendly competitive push, just what can you offer over this frame?

kemmer 11-10-08 04:03 PM


Originally Posted by Understanding (Post 7824939)
well, the first frame this compete with would be the kilo tt,
http://bikeisland.com/cgi-bin/BKTK_S...ls&ProdID=1084

in a nice friendly competitive push, just what can you offer over this frame?


He can offer "one hundred dollars less" if you get in on the group buy.

iamagiant 11-10-08 04:18 PM

1 Attachment(s)
No idea on the weight, here's a pic, it is a bit lighter (that would be sarcasm-WAY LIGHTER) than my fix converted 80's schwinn varsity. Rides a whole lot nicer too.

bw286 11-14-08 11:42 AM


Originally Posted by modernfuturist (Post 7823630)
Anyone else interested in this frame? We currently have 4 people in on the Group Buy forum, and one more person would make the frame $125 shipped!

bumpity. current count is still at 4.
here's the thread:
http://www.bikeforums.net/showthread.php?t=483100

should we say it would be nice to know in a week? friday the 21st?


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