Jahaziel

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Mountain biker since 1999, I ride Cross Country and Downhill and anything in between. I also commute by bike some days(home to work and vice versa) in a very hilly city.

Started competition riding in 2008 national level in Honduras, Central America. I usually perform most of the maintenance and even major repairs in my bikes or friend's bikes. I own a small collection of bikes consisting of a road bike, one hardtail, three full suspension XC bikes and a DH bike. All of them except the road bike where assembled completely by me and none has ever fallen apart! ;)

	1,526 reputation	bio	website		visits	member for	1 year, 9 months
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67 Comments

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May 11	comment	Are there mechanical advantages and disadvantages of various front derailleur styles? I don't have a proper answer, but I have been a kind of Bike Dr Frankenstein, and have assembled numerous front derailleurs to bikes they shouldn't fit, even converted or adapted bottom pull to top pull and vice versa. And as a conclusion, Once fully adjusted, they work just as fine. Is it worth the hassle and the time? Depends on your objectives, but mostly not. If it is a straight fit to your bike, it should work, provided that it is designed for the number and size of chainrings.
Apr 29	comment	Why are single-speed bikes with disc brakes hard to find? IF they really wanted to build a fixie with both, front and rear disk brakes, it could be accomplished by having a disk-ready fork and a frame with vertical dropouts and an excentric bottom bracket housing to adjust chain slack. (Agreed it doesn't fit the tipical wants and needs of the fixie rider)
Apr 26	comment	What can I do to help me sustain frequent long-ish rides? Definitely agree. Having a GOOD sleep between rides is a must.
Apr 26	comment	What factors determine stem length ? I also think that for longish rides, a bike of the same weelbase but a slacker fork angle (more rake, steering axis further from the vertical) would have a self stabilizing behaviour and a shorter top tube, alowing for a shorter reach due to not needing the longer steem. This would mean shorter reach, thus the torso would be less inclined, less weight being applied to the wrists but also the neck would nedd to bend less to keep eyes further up the road, all of this giving a more comfortable long ride. (Speaking as a MTB/commuter though, little exp. in road biking)
Apr 26	comment	What factors determine stem length ? Totally agree with the "feel the fit" approach. Even two people with the same "exact" body measures will feel comfortable on different bikes, due to body type, health condition, prevoius excersises, sports practices, type of work performed, etc.
Apr 19	comment	Is it possible to estimate road grade while riding? You just need a bracket that can hold your phone somewhere in the bike. You calibrate the bracket when the bike is in upright, riding position on level ground, then you can have a good readout from your phone while riding.
Apr 16	comment	How can I increase the highest gear ratio? @Bryce: Please edit your question to include this information!
Apr 16	comment	Why are higher-end freewheels so much louder when coasting? Loudness in the freehub/freebody is usually due to the very light oil used to lubricate the inner parts. Thicker oil can be used to lessen the noise and even grease in some cases, but it's high viscosity is pointed at for not being so efficient.
Apr 15	comment	Looking for alternate pants with 'snaps' around calf and/or shin area Why not DIY? I'm pretty sure those buttons you mentions are sold cheap at any sewing supply store...
Mar 7	comment	Water in my back tire Water may have not been inside the tire, but inside the rim. A rim that is not designed to be part of a tubeless system is by no means hermetic. Water can enter ir by the holes for the poke heads and the hole for the valve. A double wall rim would have a nice cavity that can be easily filled with water while riding ponds. Then while you dissasembled the wheel, water went down to the space between tire and tube. Again Nothing to worry about.
Mar 6	comment	What tint colors are most useful for cycling sunglasses? My personal favourite is also amber. Second bests being Yellow and brown-ish. I like how them all increase contrast. In forests you really see more clearly the shape of bushes, trees, etc. so you have a better perception of the path. Also amber and yellow are marvelous during the blue hour (after sunset, before sunrise), some of them amost have the ilusion to brigthen up the scene, makit it easier either ride the bike or even drive.
Feb 28	comment	Are aluminum or steel chainrings more resistant to bending? Bike Polo!? Sure looks like fun! I had to look for it on youtube. They seem to use single speeds or even fixed gears. What is your specific setup for bike polo? Does this happen to you only on bike polo or on other disciplines too? do you use the same bike for polo and for other kinds of riding?
Feb 23	comment	Are v-brake pads compatible with cantilever brakes The post non centered position is almost a separate question, but I'll try to help. Most rim brake systems have to cope with flex on the pad and the arms. As the rim drags against the pad it tends to twist it. This creates a force that pushes the pad's leading end, and lifts the trailing end off the rim rendering it less useful. This will cause uneven pad wear and inefficient braking. Placing the post towards the trailing end arm flex turns into an advantage as the longer leading end is pushed "naturally" towards the rim, featuring a type of "self assisted brake" and the pad wears more evenly
Feb 18	comment	Why do I always get punctures in my rear wheel? By any chance have you switched rear inner tube? A possible cause is a tube that is already chemically damaged or too old. Some of such tubes simply deflate and you find a hole in them but never find the offending object. It is like rubber pores getting too big.
Dec 4	comment	Safest way to slow down a bike quickly if both sets of brakes fail I used to do this a lot as a kid, on a 20 inch BMX-like bike. I can be done in both, rear or front tire, but, it was a learned thing... you get a feeling on how to do it. (It is posible to do w/o faceplant) However, as a so-called grown-up, I once had a bit of trouble on a 26" MTB with knobby tires. The scape from injury was to apply hard pressure against rear tire locking it on purpose and coming to a stop on a controlled skid. It was roughly 40 kph on a smooth but loose terain with descending slope.
Dec 3	comment	What are good ways to dry shoes? Also, considering smell problems: Smell is caused by bacteria growing and feeding in the humid ambient. Bacteria is present in the dirt, mud, sweat... So if you rinse your shoes, even if they are not completely dry, you can almost eliminate the odor. I have had such times when washing-drying shoes between rides was highly impractical, so I only rinsed them with abundant clean water and used them completely soaked anyway! :P
Dec 3	comment	What are good ways to dry shoes? +1 For your theoretical pont of view. I have used some of these techniques. I hace used a hairdryer, it can be quite fast depending of the shoes, but it's not passive. I have used a fan but it requires some space and a dry warm room.
Dec 1	comment	How many fingers on the brake lever? I use BB7 with 203 mm rotors in my DH ride, and I have never had bake issues... Correct setup and maintenance pay big bucks if well played. Using BB7 instead of hydraulics has saved my budget more than once due to repair cost needed because of crashes and bad bike transportation methods... ;)
Nov 21	comment	Any wheel on any fork / frame? Most Linear pull brake pads are sold with a set of spacers and washers that can be rearranged to protrude further towards the rim if necesary. Iv'e seen similar setups for cantilevers or caliper brakes. You may need to read the user/owner/maintenance manual for your brakes to be sure.
Nov 7	comment	Touching the front wheel with my foot when turning Maybe an extreme measure in case the problen is too anoying is to install shorter crankarms, but that will wave effects on its own, so must be done carefully.