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Everything posted by mack_turtle
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The Second Sign of the Apocalypse
mack_turtle replied to AustinBike's topic in Mountain Biking Discussion
https://www.kickstarter.com/projects/hypershell/one-horsepower-ai-exoskeleton-powers-your-everyday-adventure-0 We should have seen this coming. -
when was the last time you calibrated your torque wrench(es)? If you're not using a torque wrench at all, you're either fooling yourself to think that your wrist is calibrated, or you're riding with parts that are going to slip loose eventually or are on the verge of stripping out. I just did mine! pretty easy stuff. I did a few things a little different from the video above. I weighed the item I was using as a weight for the test. In my case, it was a pair of 10-pound dumbbells in a cloth bag for the foot-pound tool and a single 10-pound dumbbell in a cloth bag for the inch-pound tool. however, they don't really weigh exactly 10 pounds according to my kitchen scale (assuming that is accurate as well!) so I based the calculation on the weight that I got from the scale. when clamping the square end of the tool in the vice, the vice would twist a bit at full clamping force. to counteract that, I clamped the same size hex key in the other end of the vice. this is tricky with only two hands, but I get it to work.
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Gravel Bike vs. Mountain Bike?
mack_turtle replied to AustinBike's topic in Mountain Biking Discussion
https://www.mtbr.com/threads/gravel-vs-rigid-hardtail.1204534/page-4#post-15644143 This little narrative about option on a Corner Bar is really neat. -
Gravel Bike vs. Mountain Bike?
mack_turtle replied to AustinBike's topic in Mountain Biking Discussion
I might not have been in the scene long enough to know there's an old one. -
Gravel Bike vs. Mountain Bike?
mack_turtle replied to AustinBike's topic in Mountain Biking Discussion
this discussion is mostly about converting an old mtb, but that Ritchey Ascent looks incredible. -
Gravel Bike vs. Mountain Bike?
mack_turtle replied to AustinBike's topic in Mountain Biking Discussion
if you want to know what affect putting a shorter fork will have on your geometry, here's a simple calculator: https://bikegeo.muha.cc/ Here's a ridiculously complex calculator: https://madscientistmtb.com/bike-geometry-compare/ -
Gravel Bike vs. Mountain Bike?
mack_turtle replied to AustinBike's topic in Mountain Biking Discussion
There's a lot more to it than gearing for sure. My mtb is usually singlespeed 32/20 with 29x2.4 or so tires. Gravel bike is noticably lighter with 650x47 tires and 38/17. I can absolutely smoke my mtb time on any non-technical climb (1826 south of Slaughter Creek Trail is a good example) on the gravel bike, even though the gearing is a lot higher. -
Gravel Bike vs. Mountain Bike?
mack_turtle replied to AustinBike's topic in Mountain Biking Discussion
I have the First Place Singlespeed hammer on my mantle. I was the only singlespeeder! -
Gravel Bike vs. Mountain Bike?
mack_turtle replied to AustinBike's topic in Mountain Biking Discussion
I rode the Texas Chainring Massacre on a Soma Juice one year and wrote about it here: https://sidewallthorn.blogspot.com/2016/12/the-versatile-soma-juice-steel-hardtail.html Sorry, the photos died. I'll try to fix that. -
Gravel Bike vs. Mountain Bike?
mack_turtle replied to AustinBike's topic in Mountain Biking Discussion
a lot of people do this with their older mtbs. definitely a fun idea for a bike that won't see technical terrain. three things to consider though: why drop bar? gravel bikes don't have to have a drop bar, and the obsession with drop bars is almost a fetish for some people. drop bars are great for aerodynamic gains and having a variety of hand positions for long rides. I don't think they help with climbing, and the aero gains probably don't mean much unless you're racing. a flat bar with bar ends or some kind of interesting alt-bar could be just as good. SQlabs "inner bar ends" are an interesting choice as well. if you go to a drop bar, you'll need to futz around with brakes and shifters quite a bit for it to work. pull ratios on mtn and road shifters and dreailers don't always play nice. you can make it work, but it might be a hassle. fit on a mountain bike is designed with a flat bar in mind, so the top tube is quite long. when you put a drop bar on that bike, the reach to the hoods and drop to the hooks is significantly longer. you'll need a shorter stem to make the fit feel reasonable, unless you're one of those gumby freaks who can fold at the waist and hold that position while pedaling for hours. The Surly Corner bar is one of the few options that will at least let you use your old controls and get a drop bar-like position. -
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I was wondering why you were so concerned about theft. are you taking the bike to a theft-prone place? Are you going to leave it outside every night with a shoestring for a lock? common sense measures like using a good lock when you need it, and keeping the bike indoors and out of sight should keep any bike as safe as is practical. anyone who is really determined to steal a bike will find a way, but they're far more likely to go after the easiest target, even if it's a crappy bike. What are you brining?
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two bikes is all you need. three if one is some sort of one-trick pony like a trials bike. there, I said it.
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I confirmed today that Yellow Bike will recycle tires. They have some sort of deal with a local tire recycler. Makes sense: accept and recycle tires from a local non-profit and write it off on taxes. Win-win-win. In other news, I might have just volunteered to teach a wheel-building class at YBP.
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It looks like I'm covered for a good modern bike to borrow. Thank you for all the suggestions!
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I don't think I'll be able cobble together enough parts to build something from the frame up, but let me know what you find out about the size.
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I am getting a new frame, but ETA is two months out. I'm going to spend quality time with my gravel bike in the meantime, but riding a retro 26" bike for a while might also help me pass the time. 17-18" frame, rim brakes, skinny tires?
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A new adventure/experiment: Custom Hardtail Frame!
mack_turtle replied to gotdurt's topic in Mountain Biking Discussion
I didn't weigh the bike until after two rides. Something felt off, like the bike was a lot more reluctant to leave the ground than anything in experience. I took it apart for now in case I can sell it. The objective weight just confirmed that I'm not enjoying this bike for subjective reasons. Too bad, because this will be a rad bike for someone who needs something burly. It's weird and mental, but so am I. I'm spending some quality time with the gravel bike in the meanwhile. Trails are in great shape but I spent over four hours exploring from behind a drop bar and I feel satisfied. -
If they're not useful on a bicycle any more, it might be really difficult. I worked in a bike co-op for a while and getting rid of our mountain of tires was very difficult. Please ask Yellow Bike what they do with worn-out tires. They might just landfill them.
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A new adventure/experiment: Custom Hardtail Frame!
mack_turtle replied to gotdurt's topic in Mountain Biking Discussion
I think this is what people leave out when they say "bike weight doesn't matter." just pedaling the bike up a hill is one thing, but wrangling extra pounds up and over endless Barton Creek rock ledges takes its toll after a few hours. I love that terrain, too. -
A new adventure/experiment: Custom Hardtail Frame!
mack_turtle replied to gotdurt's topic in Mountain Biking Discussion
I have a rigid fork option. it's still quite heavy, and without the benefit of not beating me up so much. Industry Nine rear wheel, 28 spokes all around, nothing else on the bike is particularly heavy. that stiff, heavy frame, however, makes a difference. I honestly don't know where else to make this bike more tolerable. -
A new adventure/experiment: Custom Hardtail Frame!
mack_turtle replied to gotdurt's topic in Mountain Biking Discussion
I don't know what that means, but none of the parts on this bike are particularly heavy. the 7 pound, 3 ounce frame, however, is quite a bit heavier than anything I've ever owned, and I had a ROS9 at one point. -
A new adventure/experiment: Custom Hardtail Frame!
mack_turtle replied to gotdurt's topic in Mountain Biking Discussion
I was certainly under-fueled yesterday for a BCGB beatdown. I need to get stronger, but damn. Everything hurts. Someone told me that the bike-to-rider weight ratio is off, and it could be more fun to fix that by gaining 90 pounds instead of losing a few pounds on the bike. give me the carbs! In the meanwhile, I'm going to swap the 19t cog in the back for a 20t so I can spin it up a little easier. -
A new adventure/experiment: Custom Hardtail Frame!
mack_turtle replied to gotdurt's topic in Mountain Biking Discussion
Over 31 pounds for a bike with one gear for a 165-pound rider. I had a good time riding it today, but it wears me out. I'm reconsidering my current attempt to lose weight. -
A new adventure/experiment: Custom Hardtail Frame!
mack_turtle replied to gotdurt's topic in Mountain Biking Discussion
More of a feeler post than anything else, but it's here: https://www.facebook.com/marketplace/item/1412970172783697/?mibextid=dXMIcH