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mrleach mikelevy's article
Nov 14, 2018 at 6:02
Nov 14, 2018
Video: This is the Fastest* Bike in the World
@BenPea: I would argue that the terminal velocity of a dude taped to a bike is probably far less than the 183.93 mph. Edit: Nevermind, If you're including the initial forward velocity from the plane then you would be correct.
mrleach mikelevy's article
Nov 1, 2018 at 6:13
Nov 1, 2018
Here's a New Standard We Should Get Behind - Taipei Cycle Show 2018
Not to mention, any anodizing on the steer tube would be done before assembly, making it difficult to accurately align when pressing into the crown. Laser etching after assembly would definitely be the quickest and most accurate method.
mrleach danielsapp's article
Oct 31, 2018 at 5:33
Oct 31, 2018
Review: Industry 9 Trail 270 Wheels
Yeah, they just blast some Skrillex in the shop. When the drop hits, the A2 steel explodes into a bunch of little high precision pawls... It's science.
mrleach mikekazimer's article
Sep 26, 2018 at 5:48
Sep 26, 2018
Review: Fox 36 GRIP2 vs. RockShox Lyrik RC2 Fork
@Ziph: FWIW. The only RS Pike I ever owned developed a creaky CSU. Same exact creak developed on my friend's Pike. Both of us got the CSU replaced under warranty. While mine was in for warranty repair I picked up a used 36 so I could keep riding. When I got the warranty Pike back I sold it and kept the 36. I'm on my second Fox 36 now (sold my last bike) and haven't had one creak yet. Neither Fox or RS are perfect in this regard, and either should be willing to replace/repair under warranty (once a licensed service center has confirmed the creak is coming from the CSU and not a janky headset or something).
mrleach mikelevy's article
Sep 20, 2018 at 11:32
Sep 20, 2018
The Cutaway Special - Interbike 2018
@Sardine: Watts are units of power. Torque is a measure of force. The difference in this case being rpm. A car idles at 600-800 rpm. Human pedals at 1/10th that, even less in very high torque situations. Also peak torque is much higher than average torque for pedaling a bicycle. It is peak torque that will cause things to break. Imagine a 170 lb rider starting on a steep hill. Assume they stand on one pedal with ~90% of their bodyweight. So force on the pedal is 153 lbs. Crank arm length is 175 mm = 6.9 in = .575 ft.) , so torque at the crank is 153*.575= ~88 ft lbs. Assume a 32t chainring and 50t rear cog which gives a gear ratio of (1.5625), the torque seen at the rear hub is 88*1.5625 = 137.5 ft lbs. That is comprable to a small car.
mrleach pinkbikeaudience's article
Sep 13, 2018 at 10:49
Sep 13, 2018
Ask Pinkbike: Multi-Tools, Suspension Suggestions & Cutting Carbon Bars
@spaceofades: Might as well just carry a spare bike on your back, you know, just to be safe.
mrleach RichardCunningham's article
Jul 23, 2018 at 10:15
Jul 23, 2018
Bike Checks & Tech From the Pits - EWS La Thuile 2018
Definitely a typo/mistake in the article. The rear rotor clearly says "CENTERLINE 200" on it. Which makes sense given the Hightower LT comes with 180 post mount in rear. Front is also 200 mm rotor in the pic because, again, Lyrik comes with 180 post mount. Add an adapter to a 180 post mount and you get a 200/203. Also can tell the rotors are 200 just by the profile near the bolt circle.
mrleach RichardCunningham's article
Jul 20, 2018 at 6:49
Jul 20, 2018
First Look: KS Genesys Integrated Dropper Seatpost
@Unrealityshow: When it inevitably fails, you have the option to just replace it with a conventional 31.6 diameter dropper post. Only problem is it will have zero resale value in the used market.
mrleach alexcgevans's article
Jul 9, 2018 at 5:50
Jul 9, 2018
Eurobike Randoms III - Eurobike 2018
"...carbon and alloy wheels in both 275 and 29 inch versions..." I figured the next wheel size would be an incremental increase, maybe 30 or 31 inch, but 275 inches?! Go big or go home, I guess. "The carbon rims have a 28.6mm internal diameter, too." It never ceases to amaze me how many people don't know what the word diameter means.
mrleach pinkbikeaudience's article
Jun 28, 2018 at 6:20
Jun 28, 2018
Video: Tech Talks - Wheel Balance 101, Presented by Park Tool
As soon as you put the tire on, knowing that the wheel was previously balanced why not find the new heavy spot from the tire, mark it, and re-align it with the largest weight stuck to the rim, remove the weights and then re-balance the assembly. This would reduce the total added weight necessary to balance the wheel tire assembly. Ignore the sealant, because the distribution of that liquid mass cannot be controlled. Assuming the wheel and tire is balanced and the "womp womp" is at a minimum, the sealant shouldn't pool up in any one spot too much. Another thought, if there IS a heavy spot causing one spot of the tire to have a larger effective radius when the wheel is spinning due to the axle wobbling in sync with the heavy spot, wouldn't the liquid sealant want to pool in that spot due to centrifugal force, thus making the imbalance even more extreme? All this said, I do not take the time to balance my wheels, because... ain't nobody got time for that.
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