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I want to build a lower 9 pound bike. I will list parts on my next post which I have on order with weights.
I currently have an FMF mini frame which I cut the seat rail out and plan to glue in the uni seat. This as we stand sits as a bare frame with all paint removed. I purchased the bike hoping I could get it under 2 lbs frame weight. This did not happen. It weights 2lbs 4 ounces. Or 1020 grams. I plan to order a custom titanium frame tomorrow. 1lb 10 ounces or 737 grams. We will use the fmf frame once I order all of the lightest parts needed. We will stick with the redline for practice until I get wheels brakes forks headset and tires/tubes or sewups if I can find them.
We have box carbon mini handlebars and a box carbon/titaium BB 113mm
Please if anyone has any suggestions on light weight parts let me know.
Answer alumilite wheelset: 1080 grams +/-
Snap crank halves 145mm
Box xs mini carbon forks: 354 grams
Bombshell ridea brake lever 40 grams
Bombshell 686 mini v caliper:82 grams
Titatium brake caliper mounting points to the frame
Box concentric brake cable kit: 74 grams
Odyssey ghost pads: 28 grams
Elevn sealed standard headset:91 grams
Aest mtn bike pedals titanium spindle: 170 grams/pair
Primo semi slics: 162 grams each
ITS light weight tubes: 112 grams/pair
Kmc x9 chain
Box light weight seat clamp
Redline microline stem
I need to find a 1" carbon compression cap with aluminum machined bolt any ideas?
Any ideas on a lighter wheelset? Or tires/tubes or where to find sewups for minis?
Intense Micro Knobbies are an excellent light weight tire as well, my friends have had fantastic luck with them on the race track.
Blue6 bolts used to offer tons of ti hardware but have gone under now, although i often see their products pop up on web classifieds now a days
My 4 year old with his micro-mini. We didn't go with the lightest possible build as he is just learning to ride.
https://fbcdn-sphotos-g-a.akamaihd.net/ ... 2061_o.jpg
Be careful with the pedals. A full-size MTB pedal is pretty wide. Your child runs the risk of pedal strikes on corners. Unfortunately there aren't any real lightweight options among junior or mini pedals.
You should be able to find a 1" topcap at any bike shop.
Here is some info on vintage sewups...
I'm a firm believer in keeping the power to weight ratio as high as possible, especially for little kids. But, not being an engineer, I choose not to take the chance of modifying parts which might lead to failure and risk injuring my kids. The same with alloy bolts... be careful where you use them. I'll go crazy on my own bikes, where I make the choices, but not on my kids' bikes.
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