Added a comment about photo 2017 Spot Rollik 557 4/17/2016 9:11 AM
C138_bt_20160414_untitled_shoot_122

Liking the actually 76° seat tube.

Is FOX in on the metric game as well?

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Liked a comment on the item Durango Blackjack Custom Sizing - XXS-XXL 4/17/2016 8:01 AM

frame only option is $4800 !? The bigger bike pictured (the black one) is a Large and the smaller red bike is an XXL!? How can I be sure my deposit won't be spent on all the crack they are smoking?

Added reply in a thread The Enduro "Craze" and Safety 4/8/2016 11:24 AM

The Bell has become VERY popular in my riding circles. Where i stick out like a huge sore spot. I come from the other side, i used to race XC and then i got an AM bike (meta 5.5) 8 years ago. And i finally swapped it out for a Reign last year. I'm no ... more »

Added reply in a thread The Patent Thread - New and Wild MTB Inventions 4/2/2016 8:45 AM

The Yeti linkage probably gives them a very (maybe even pure) linear motion without the use of custom sliders, as with Switch Infinity.

Added a comment about feature First Look, First Ride: SRAM Eagle 1x12 Drivetrain | The Front Derailleur Killer 3/26/2016 5:22 AM
C50

Yup. You'll be missing out on the new graphics and the new carbon layup though. Which is a major bummer!!!

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  • Vital MTB member Boolateekteek
    36106 Boolateekteek /images/default/avatar/c50.png http://www.vitalmtb.com/community/Boolateekteek,36106/all 06/21/15 7

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Added a comment about feature First Look, First Ride: SRAM Eagle 1x12 Drivetrain | The Front Derailleur Killer 3/26/2016 5:20 AM
C50

So thinner plates and narrower pins (that do not look out from the plate) are the only differences in this case?

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Added a comment about feature First Look, First Ride: SRAM Eagle 1x12 Drivetrain | The Front Derailleur Killer 3/25/2016 10:45 PM
C50

I think that means the chainring will work with 1x11 systems.

As for the cranks, most of Sram's cranks feature a removable spider. Everything from the S1400 series and up. Even most new Descendant cranks feature this as well. You remove the spider by undoing three torx bolts and mount that chainring in the same place.

You can put on a direct mount chainring, a 1x, 2x or a 3x spider.

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  • Vital MTB member Boolateekteek
    36106 Boolateekteek /images/default/avatar/c50.png http://www.vitalmtb.com/community/Boolateekteek,36106/all 06/21/15 7

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Added a comment about feature First Look, First Ride: SRAM Eagle 1x12 Drivetrain | The Front Derailleur Killer 3/25/2016 1:50 PM
C50

The chain is narrower, though it isn't said if it's just the overall width (like 11spd vs. 10spd for Sram, they just thinned the plates) or the inner gaps as well. If it's the latter, then most likely no, they are not compatible. Well, maybe, depends on the ring.

Someone will surely test it out.

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Added a comment about feature First Look, First Ride: SRAM Eagle 1x12 Drivetrain | The Front Derailleur Killer 3/25/2016 1:48 PM
C50

It's probably a demo bike, assembled by Sram for the Media and for the press photos.

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Added a comment about feature First Look, First Ride: SRAM Eagle 1x12 Drivetrain | The Front Derailleur Killer 3/25/2016 8:13 AM
C50

The gold cassette is just one option.

Why do people love to throw about the strong legs argument? Break a leg, better yet, break both legs in a complicated manner so you'll be bed ridden for 2 months or so. Then tell me about strong legs.

(i know, wishing injuries to other people isn't nice, but in some cases people need to experience the other side to realize there is another side to the story. Also, I was just put in a bad mood because of similar comments on the same topic on another site. People really can't see further than their noses, if at all that far...)

Edit: better yet, instead of breaking a leg maybe leave your back yard and go somewhere where the terrain is not that flat. I mean there's no way you're as strong as a racer and be able to throw out comments like that, at least I hope someone in VERY good shape would be able to recognise that and also realise that people are in much worse shape. The only realistic option (at least I hope it is the only realistic option) is that you live somewhere flat and can ride a non-extended 1x9 or 1x10 drive train. Therefore get out of your backyard and into some glacial valleys. Enjoy the steep ascents with your strong legs.


And yes, these strong legs comments REALLY make me angry. Because they are completely ignorant.

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  • Vital MTB member Boolateekteek
    36106 Boolateekteek /images/default/avatar/c50.png http://www.vitalmtb.com/community/Boolateekteek,36106/all 06/21/15 7

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Added a comment about feature First Look, First Ride: SRAM Eagle 1x12 Drivetrain | The Front Derailleur Killer 3/24/2016 2:12 PM
C50

BTW, there's a VERY good point to go with these 1x drivetrains, starting with Sram's 1x11 and being exacerbated by 1x12. The chainrings in the front are, relatively speaking, HUGE! We used to granny up the hills with 22t rings, now we do it with 28, 30, 32 and sometimes larger rings for 1x11, all of this increased by ~4 teeth with 1x12.

A 22-36 ratio would be exchanged with a 32-50 (with Eagle), providing an only slight increase in ratio (the gear getting heavier), but at the same time this lowers the forces in the chain by almost 50 %! That, plus the fact there is no front shifting (the pins pulling the chain up sideways) are, i guess, the reasons Sram can make a narrower chain with thinner plates just as durable, if not more durable, than chains for 2x groups. I'd suspect the strength of the chain did not drop by 50 % by going from 2x to 1x, therefore the durability of the chain itself should increase, bar higher angles by running in the extremes of the chain (though i used to ride at the top of the cassette with the bigger ring in front A LOT! Only then i would drop to the granny and shift up again as soon as possible), friction, dirt, etc.

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Added a comment about feature First Look, First Ride: SRAM Eagle 1x12 Drivetrain | The Front Derailleur Killer 3/24/2016 12:39 PM
C50

Get a new bike?

Honestly though, i'd say most 2x bikes are somewhere in between, where they don't pedal ideally in the larger or the smaller cog. 1x gets right in the middle (with a 30, in the middle between a 24-36 2x system). Eagle gets even closer to the 2x ratios with a 34 front chainring being similar to the 30 on Sram's 11 speed groups.

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Added a comment about feature First Look, First Ride: SRAM Eagle 1x12 Drivetrain | The Front Derailleur Killer 3/24/2016 8:03 AM
C50

Saw the leaks, read that the leaks were correct, read the intro, and all i can say is:

I NEED THIS!!

Seriously, is there one single (real) benefit of riding a front derailleur?

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Added reply in a thread 2016 Racing Rumours 3/22/2016 12:27 PM

You're saying that in a thread, where about half of the posts were about which bike Gwin will ride. And that was just about a bike!

Added a comment about slideshow Carbon Enduro Gearbox Bike - The Zerode Taniwha 3/10/2016 9:48 PM
C138_zerodea

Even though the axle might be removable, that tells you nothing whether the resulting Q-factor would be correct or not. It's not necessarily as simple as machining a new axle.

As i've said, Pinion's cranks look fairly flat compared to standard 73 mm cranks: http://pinion.eu/wp-content/uploads/2014/08/13-kurbel.jpg

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Added a comment about slideshow Carbon Enduro Gearbox Bike - The Zerode Taniwha 3/9/2016 11:12 AM
C138_zerodea

One side, other side? Traction spring?

The 9 speed pinion has the gears spaced zoo far appart I think. You need the 12spd.

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Added a comment about slideshow Carbon Enduro Gearbox Bike - The Zerode Taniwha 3/9/2016 11:11 AM
C138_zerodea

The cranks would have to be custom since the mounting points on the axle are further appart on the pinion than on normal bottom brackets if I see correctly. Also, the axle is not mounted to one of the cranks with the pinion.

As for electric shifting, that would be possible, but there's little point in developing a system with such a small potential customer base.

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Added a comment about slideshow Carbon Enduro Gearbox Bike - The Zerode Taniwha 3/9/2016 6:40 AM
C138_zerodea

Arbr?

http://www.vitalmtb.com/photos/features/Prototype-Carbon-Enduro-Bike-from-the-UK-Arbr-Saker,9483/Prototype-Carbon-Enduro-Bike-from-the-UK-Arbr-Saker,98821/sspomer,2

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  • Vital MTB member Colin McCarthy
    4438 Colin McCarthy http://p.vitalmtb.com/photos/users/4438/avatar/c50_db10d676144f365098026375af5e1e56_full_1424141999.jpg?1424141992 http://www.vitalmtb.com/community/Colin-McCarthy,4438/all 09/12/10 1 1 http://www.vitalmtb.com/community/Colin-McCarthy,4438/setup 3 99 136

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Added a comment about slideshow Carbon Enduro Gearbox Bike - The Zerode Taniwha 3/9/2016 1:30 AM
C138_zerodea

Maybe he meant the first of many Zerodes? Or the first of many carbon enduro gearbox bikes?

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Added a comment about slideshow Carbon Enduro Gearbox Bike - The Zerode Taniwha 3/9/2016 1:29 AM
C138_zerodea

So you're going to press the left and release the right shifter (or vice versa) at the same time? Where are you going to find a 12 speed right hand side shifter with the correct cable pull? A better question, what about the left shifter with 12 speeds?

The reason for two cables is that the mechanism is actuated (by the cable) in both directions. Standard derailleurs use springs for the return action.
If i wanted a trigger shifter (and i would want one, if i had a Pinion), i'd take the upcoming Sram 12 spd shifter, take the cable from it into a black box and route the two pinion cables out of the box. inside the box would be a simple rotary 'gearbox', adjusting the cable pull ratio between the input and the output (the input and the output would just be fitted to different diameters, simple stuff), which would also be spring actuated, to pull both sides of Pinion's cable.

The simplest solution would be to just incorporate a torsional spring into Pinion's gearbox itself (by Pinion of course).

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