John Zwinck
  • Member for 10 years, 8 months
  • Last seen more than a week ago
What to do when a snake is in front of you?
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25 votes

In the situation you describe it sounds like there is no time to stop. The next best option has to be riding around the snake toward its tail, because snakes (like most animals, apart from humans on ...

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Why no wheels with rope instead of spokes?
11 votes

Mavic has made some wheels like you describe, more or less. They're called "R-Sys" and they have aramid (Kevlar) spokes surrounded by carbon fiber sheaths. Here's an exploded view: For more details ...

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What are some notable differences between a 20'' trial bike and a BMX bike?
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11 votes

Trial bikes more often have flat handlebars rather than the "tall" bars common on BMX bikes. Trial bikes are more likely to come with "bash guards" around the chainring. BMX bikes may come with ...

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Special hub requirements for an 11-speed group
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10 votes

Shimano/SRAM 11 speed cassettes are wider than 8/9/10 speed ones. So yes, you need a new, wider freehub body, unless your old one was not very old and used a spacer to fit a 10-speed cassette. ...

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Is there difference between a Shimano HG200, 11-36, 9 speed VS HG201, 11-36, 9 speed?
8 votes

CS-HG200 is black, CS-HG201 is silver. Otherwise they are the same.

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What are the advantages of bikepacking bags?
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8 votes

They usually keep the bike narrow, suitable for trail riding where branches might snag panniers. They use soft attachments (usually), so extreme vibration doesn't make undue noise or wear things out. ...

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what's the reason for different front and rear tire sizes on a XC MTB?
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7 votes

Yes, it is common on mountain bikes to have a wider front tire. This is to avoid "washing out" in corners. Plus the extra air volume provides more cushion and increased comfort for your hands (even ...

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Can this frame be saved?
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7 votes

The frame is 100% trash. Do not attempt to use it at all. What you can do is to carefully remove everything from the frame. Discard the frame, and now you have a whole bunch of valuable parts. You ...

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What cassette remover tool I should order for Shimano CS-HG50?
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6 votes

All Shimano cassettes, and all SRAM cassettes other than "XD" ones, have the same spline pattern. If you search for "cassette lockring tool" you will find lots of compatible tools. Virtually the ...

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Can a XTR 2016 di2 bracket axle unit fit in XT 2016 rear derailleur?
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5 votes

Here is the Shimano Exploded View PDF for the Di2 mech (pdf download): And for your XT one (pdf download): What you can see from those documents is that the Bracket Axle Unit aka B-Axle is very ...

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Is there excessive lubricant on my new rear derailleur?
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5 votes

I'd wipe it off a bit--it won't serve any purpose as it is, apart from collecting dirt.

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Why bother changing a chain?
5 votes

How long a single chain or cassette will last depends heavily on the riding conditions. For example, do you weigh 50kg or 150kg? Do you ride a road bike in fair weather, or a touring bike on salted ...

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What's the ideal balance (forward/backward) in the saddle on an endurance road bike?
4 votes

Should I feel completely balanced in the saddle, or is a little forward pressure normal? There should be some weight on your hands when riding. Not too much of course, but your setup is already slid ...

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What size is the tiny ball bearing used in SRAM rim-brake caliper quick release detents?
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4 votes

The balls are 2mm in diameter. How do I know? Well, I found a bearing supply shop, and asked them to see some of their smallest balls. I bought one 2mm ball and one 3/32" (2.38mm) ball for all of ...

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Bikepacking With A Carbon Bike
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3 votes

Yes it's reasonable, assuming your bike is in good condition when you leave home. Frame failures end most trips regardless of frame material (the bravado of "A village mechanic welded my frame&...

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66 yo female road bike rider needs advice on THE BEST CLIMBING components/groupsets available!
3 votes

There are two main approaches--you can start with one and then add on the other if needed. Replace your RD-6700-GS derailleur with an XT M771 SGS "9 speed" (also works with 10) rear derailleur. It ...

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cable tension for Shimano 105 Front derailleur is very tight
3 votes

First you should make sure your "high limit screw" is loose enough. This may be marked H on the derailleur, or it may be one of two adjacent unmarked screws. By loosening this you allow the ...

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Interupter brake lever compatible with hydraulic mechanical disk brakes?
3 votes

Those brakes are designed for cyclocross which means using STI "brifters" as you no doubt have on your bike. Interrupter levers are also designed for use with STI levers. The trio should be ...

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Steer Extender or Carbon Road Fork
3 votes

You said in a comment that you switched from a 100mm stem to 120mm, this made it worse so you went back. I suggest you try an 80mm stem, maybe it will be even better. As for raising the bars, you do ...

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Riding Cannondale Synapse on Paris-Roubaix terrain?
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3 votes

The bike can withstand it. The question remains whether the ride can withstand it. As for the bike, there are a handful of issues that are more likely to arise on such rides: Filthy chain and gears....

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Are there any Male to Female DI2 wires / exetensions?
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3 votes

No, there are not any male-to-female "extension" wires available for the Shimano Di2 E-Tube system. You can use a junction as you said, or you can use the two-port ANT module. You could also modify ...

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Safe steerer spacers stack height
3 votes

A total spacer height of 30mm below and 5mm above is quite typical, and certainly nothing to be worried about. The most important thing, since you have a carbon steer tube, is to make sure you use ...

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Cyclocross suspension
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2 votes

While proper cyclocross bikes typically do not have front suspension, you can find a few drop-bar bikes that do have it. The Cannondale Slate is one: http://www.cannondale.com/en/USA/Bike/...

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How long do helmets last?
2 votes

Five to eight years seems reasonable. See here: http://www.helmets.org/replace.htm - some helmet makers recommend somewhere in this range, and longer than eight years you start to see deterioration ...

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bottom bracket clunking noise
2 votes

First, it may not be your bottom bracket. Creaks and clunks are notoriously difficult to localize. If you can reproduce it with the bike on a stand (or upside down on the ground), it may be easier ...

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How do I prevent my chain from dropping down while going downhill on bumpy surfaces?
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2 votes

You need to measure your chain for stretch, it may be too stretched and no longer meshing with the gears properly. There are tools for this or you can do it with a ruler--one foot of ruler should ...

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What features should I look for in a new wheelset?
2 votes

Current rim depths tend to be between 20mm and 80mm. You can choose along this spectrum to trade weight for aero, but for general use 30mm or 40mm is probably reasonable. Hand-built wheels are an ...

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How much is a mass production aluminium road bike frame worth?
2 votes

There is no specific way to calculate the worth of a frame when taken from a complete bicycle. The market will tell you how much it wants to pay for such a frame, but the theoretical calculation of "...

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SRAM Rival brake caliper screws/bolts are rusty, how to replace?
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2 votes

I can answer this question myself, having removed the screws, measured them, ordered replacements, got the wrong size, and so on. So other people can learn the easy way! The screws (or bolts?) are ...

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What is the most secure bike rack for long distance travel?
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2 votes

The most stable and secure racks are the ones which mount directly to the vehicle at hard points, such as a trailer hitch (for rear racks) or door frames (for roof racks). Racks which use fabric ...

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