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bkm303 VorsprungSuspension's article
Nov 15, 2017 at 10:18
2 days
The Tuesday Tune Ep 20: Preload Adjustment - Video
Spring *rate* (slope of the force vs travel curve) is the same regardless of preload, but preload adds static force at zero travel - so if you add 1kN of preload at 0 travel, you'll add 1 kN of preload at max travel as well - the entire force vs travel curve gets moved up by the same amount. As he said in the video though, the increase in bottom out force using this method is not large enough to provide meaningful bottom out prevention, and comes with a huge penalty in terms of traction / initial force, because every time the wheel leaves the ground you'll have to overcome that static force again to make the shock move.
bkm303 VorsprungSuspension's article
Nov 14, 2017 at 13:24
3 days
The Tuesday Tune Ep 20: Preload Adjustment - Video
@VorsprungSuspension: do you have a process for dialing in fork pressure/spring rate, or is just just something you have to dial in with feel/experience?
bkm303 VorsprungSuspension's article
Nov 14, 2017 at 12:23
3 days
The Tuesday Tune Ep 20: Preload Adjustment - Video
The bit about setting sag was interesting. Glad I'm not the only one who thinks setting sag on forks is frustrating/pointless... my fork feels smooth on the trail (not a crazy amt of stiction), but if I hop on the bike and measure sag 10 times in a row the measurement will be all over the place. The only way I've ever found a pressure I like is to go for a ride and make adjustments until it feels right (whatever that means.... pedals well, no brake dive, etc), then write that pressure down for the future.
bkm303 paulaston's article
Nov 14, 2017 at 7:51
Nov 14, 2017
Commencal Supreme SX - Review
@fartymarty: yeah 29HT was my only bike for 2-3 years as well, I caved and got full sus when I moved back to CO because it's all punishing sharp ledgy stuff here that left me feeling like I got hit by a truck after long rides. But yeah originally I was on an old 26" XC bike (no dropper), and moving to the 29 HT (with dropper) was pretty eye-opening - I was actually pushing higher gears on a lot of climbs because the wheels were hanging up less, and pretty quickly I started beating a lot of my old full sus strava times. While it's not exactly the same as having suspension, I figure the bigger wheels are effectively worth about 20mm of fork/frame travel. I think that's part of the reason bikes like the Smuggler and Process 111 are so fun.
bkm303 paulaston's article
Nov 14, 2017 at 5:25
Nov 14, 2017
Commencal Supreme SX - Review
@fartymarty: I agree that I don't need hardtail-like efficiency, but pedal bob used to drive me nuts - when it's bad you can just feel your pedal strokes going straight into the damper. Plus, if you're not shuttling or riding lifts, 80% of your time on the bike is spent climbing. If it's just short fire road up / trail down laps I could see not caring about efficiency too much, but IMO it makes a difference on days with lots of miles and elevation gain on singletrack. I think it makes a lot of sense to go for a bike that pedals decently well - it's not like there's a lack of options. But as always it depends what kind of riding you want to do. I figure I spend so much time climbing (mostly singletrack) that I might as well make it a little more enjoyable.
bkm303 paulaston's article
Nov 14, 2017 at 5:08
Nov 14, 2017
Commencal Supreme SX - Review
@choppertank3e: what?? Torx is objectively better for preventing stripped bolt heads, it has far more contact area with the tool, and the contact faces are more perpendicular to the force being applied. You sure you used the right size? Did you clean out the bolt head beforehand? Often I'll have dirt caked inside the bolt head that prevents full insertion of the tool.
bkm303 paulaston's article
Nov 13, 2017 at 13:45
Nov 13, 2017
Commencal Supreme SX - Review
Yeah tbh I don't get all the bitching about the BBs. I installed my own PF30 with DIY tools and loctite retaining compound and have had no issues after a year. But I know that if it does start creaking I can just throw down the $75 for the Wheels BB and never worry about it again. I guess it sucks to have to go through the hassle but it's not something that would steer me away from a bike I really liked.
bkm303 paulaston's article
Nov 13, 2017 at 13:41
Nov 13, 2017
Commencal Supreme SX - Review
@Racer951: I mostly agree with you, but I've definitely come close to stripping 4mm (and smaller) bolts in the past, not because I was torquing the crap out of anything, but because the bolts had seized in place after not being moved for a long ass time. Of course, I haven't had that issue again since I bought some decent hex wrenches but still. I kind of wish they wouldn't go smaller than 4-5mm for any part. Or use torx heads if they do.
bkm303 paulaston's article
Nov 12, 2017 at 5:06
Nov 12, 2017
Pinkbike Poll: Do You Care About Sustainability?
@WAKIdesigns: not saying people can't buy/ride whatever tires they want. The soft compound ones are pretty amazing, but you'll put 3x as much rubber in the trash for the same amount of riding. If grippy tires are the difference between riding and not riding, do what you want. But I could make your same argument about anything - "buying new [whatever] frequently makes me ride more, and keeps me from buying other stuff". That's just using consumerism to fight consumerism (I'm not totally innocent of this either, FWIW). The packaging is ridiculous, but all the mfrs do it so it's tough to buy parts without it (aside from used, or some of those direct from Taiwan deals on eBay, but they take like 4 weeks to ship). But again, the best way to avoid it is to buy derailleurs (or whatever) as infrequently as you can - do maintenance, repair stuff that's broken, etc. Like I said, some consumerism cones with the territory but the less you buy, the less impact you have.
bkm303 paulaston's article
Nov 10, 2017 at 14:58
Nov 10, 2017
Pinkbike Poll: Do You Care About Sustainability?
@bohns1: ^^^ this guy's trying to kill the planet. You guys believe that shit???
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