MOUNTAIN BIKE CHAIN REPLACEMENT. MOUNTAIN BIKE
Mountain Bike Chain Replacement. Comfort Bike Reviews
Mountain Bike Chain Replacement
- (Mountain biking) Mountain biking is a sport which consists of riding bicycles off-road, often over rough terrain, using specially adapted mountain bikes. Mountain bikes share similarities with other bikes, but incorporate features designed to enhance durability and performance in rough terrain.
- (Mountain Biking) A designated, rugged, natural surfaced, single track trail that offers a range of riding opportunities.
- A bicycle with a light sturdy frame, broad deep-treaded tires, and multiple gears, originally designed for riding on mountainous terrain
- the act of furnishing an equivalent person or thing in the place of another; "replacing the star will not be easy"
- refilling: filling again by supplying what has been used up
- The action or process of replacing someone or something
- A person or thing that takes the place of another
- substitution: an event in which one thing is substituted for another; "the replacement of lost blood by a transfusion of donor blood"
- Fasten or secure with a chain
- Confine with a chain
- connect or arrange into a chain by linking
- (chemistry) a series of linked atoms (generally in an organic molecule)
- a series of things depending on each other as if linked together; "the chain of command"; "a complicated concatenation of circumstances"
ROLO1MM-18 Nickel Free Italian Sterling Silver 1.5mm Rolo Sturdy Chain Necklace 18"
Nickel Free Sterling Silver 1.5mm Italian Rolo Sturdy Link Chain Necklace.
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* Stamped 925 on clasp
* Spring ring clasp
* Made in Italy (stamped on bail)
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Typical Rohloff Install
My two mountain bikes use the Rohloff 14-speed internal gear hub instread of a der system.
Here's a paste of a review I wrote on the Rohloff hub some years back:
- Wide shifts:
Probably a substitute for proper technique, but I can clean inclines that I couldn't before. Hammer in to it in, say, gear 8, then jump down to 4, then to 1 as needed.
Also, on long climbs I like to alternate in and out of the saddle which, for me, is a 3 or 4 gear shift on each change. With the der I used to do it a lot less frequently than I really like and in the spirit of "Gee, I sure hope I don't miss this shift and take the saddle horn up my butt (again...)".
Now I just snap those wide shifts without even thinking about it. Any time, any place.- I'm always in the right gear, since shifting is essentially trivial; seems like shifts take less than a fiftieth of a second.
- No more rear cog problems: no taco'd cogs, no more vines/small branches/grass wrapped around the cog/der.
- It *seems* pretty-much bombproof. Time will tell, but I was spending more time than I cared to adjusting my der . Also, bending a cog wheel while riding was a PITA.
- Greatly-reduced frequency of missed shifts. "Reduced" and not "Zero" because there is a 'gotcha' between 7 and 8 dumps you into gear 14 if you forget and shift under load.
It pops back into the intended gear as soon as the load comes off, but it's nothing you want to make a habit of doing.
- Ability to shift down when stopped. I think I make more than my share of unplanned stops and I used to have to lift up the rear wheel and rotate the cranks to get down to a starting gear.
Also, my technique sucks and probably won't get any better and it's nice to be able approach an object and slow way, way down before negotiating it without worrying about getting stuck in too high a gear to get over it.
- I don't have to keep mental track of which chain ring I'm on. Sounds trivial, but I don't have any brain cells to spare.
- Maybe not so much of a strength, but it should be mentioned somewhere that 14 speeds are enough.
My original 44-32-22 der setup took me from 18.5 to 104.
With the Rohloff on a 44 I get 19.9 to 104.9 in nice even, uniform 13.8% increments. That's only one less gear and, since I never used 104 it's a wash for me.
With the 38 that I've since gone over to it's 17.2 - 90.6.
I don't get spun out in 90.6 until about 25 mph - and there's no way I can hold that speed for very long anyhow.
I left the old 32 in the middle position just because it weighs next to nothing and, on a big bump sometimes the chain drops (you're supposed to have a front-der-like dingus up there to keep it from doing that ....but I never go around to getting one) the 32 catches the chain. Also allows shifting down to a usually-ludicrous 14.something if things get really bad....
- It costs an arm and a leg.
If my wife ever finds out I spent close to a grand on a rear wheel, she'll start to doubt my sanity.
- This hub weighs a *lot*. It added 1.9 pounds to my already-heavy bike - same rim/tube/tire/spoke gauge.
Anybody who says it only adds a pound must be using a really, *really* heavy cog/hub/der/shifter setup. I was using SRAM 9.0 with twist shifters.
- The installation instructions could use a re-write. I'm no rocket scientist, and after studying them long enough I pulled it off - but it could have been a *lot* easier.
- It's heavy. Are you ready for an 8-pound rear wheel?
- The torque arm mounting that came with it was decidedly un-German (downright kludgey, I'd say...). Hose clamps!
Also sometime during the first hundred miles the little clevis pin that held it all together disappeared. Wasn't a catestrophic failure because the normal riding pressure pushes everything together.... I probably installed the c-ring keeper wrong or something - but it seems like a weak point. Replaced it with a marine shackle set in LocTite.
I have since discovered that there is a more elegant torque arm setup that Rohloff calls the "SpeedBone". Uses the disk brake mount and does not interfere with using a disk brake.
- It's heavy.
- It's noisy, especially in gears 1-7. Supposedly this mitigates with age, but it is still an issue with me at 1,000 miles.
- It's definately less efficient in gears 1-8.
There's a web site somewhere (in German) that supposedly graphs a Rohloff against one of the Shimanos and claims no loss in most gears and 1-2% in the lower gears.
I would disagree with that web site's figures.
- Did I mention that it's heavy?
This is definately not for everybody and the torque arm thing bugged me until I got the more elegant replacement.
Having said that, I find that me and the Rohloff are a good match.
I've quickly gotten so used to getting
29th August 2011 - Pete on The Monkey, Cannock Chase.
From Pattingham to Tamworth first thing, picked up Pete and headed to Cannock Chase.
Not a great start. Within 1.5 miles my chain broke. So had to walk/wheel my way down to Swinnertons at Birches Valley, in the increasingly hard rain. Pete took in the end of the Dog from and met me there.
Bought a new chain tool, some spare chain links, and a replacement tyre for the front wheel. Those skinny 1.8" Panaracers were USELESS, and the prospect of riding on them in the wet was not appealing.
Fixed the chain and fitted the new tyre, and finally we could properly begin riding, and rode the Follow the Dog, and The Monkey trails.
First time riding the Scandal for PROPER Mountain Biking. The transition to riding a hardtail was pretty painless. With the new stem the bike handled brilliantly, I have zero issue with the front fork, the new gears were spot on, the new front tyre performed well. However, the one remaining original Panaracer slipped around too much, and the brakes worked well enough, but seriously lacked sharpness.
The only issue from the hardtail is having to take it less aggressively on the rougher sections.
The main problem was just getting my eye in for singletrack full stop, which would've been an issue even on the Zesty. The slick stones of Cannock Chase were very slippery from the rain, but where the trails weren't so bare, compacted and rode really well thanks to the water.
Upper and Lower cliff of The Monkey, and the new end of the Dog rode incredibly well. Favourite part of the day was the end of the Dog, which I nailed, if I do say so myself. Though by the end roller I forgot I was on a hardtail, and landed pretty heavily from the air I'd grabbed. Ouch.
Very pleased with the Scandal's performance.
And no falls for either rider!
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