deanbean Posted August 29, 2012 Share Hope comes to the XX1 party Our first new product for #Eurobike - Pro 2 EVO XD compatible driver to suit @SRAM_mtb cassettes Edited August 29, 2012 by deanbean Riario 1 Link to comment Share on other sites More sharing options...
Dubber88 Posted August 29, 2012 Share Emily Batty loves her xx1 (with X0 crank arm) WOW! Now that is a beautiful groupset. Link to comment Share on other sites More sharing options...
ThePubSA Posted September 22, 2012 Share SRAM had its XX1 rear hub with the XD ratchet driver on display at Interbike and we were allowed to field-strip it to show Pinkbike readers what was inside the eleven-speed-only assembly. DT Swiss and SRAM teamed up to produce the patented XD cassette driver. Now, says SRAM, the XD driver will be made under an open-license agreement by Mavic, American Classic and Crankbrothers, with more hub and wheel makers coming on board next season. The XD driver is necessary to provide clearance for the 11-speed 'X-Dome' cassette's tiny ten-tooth sprocket, which is too small to adapt to a conventional freehub. Presently, DT Swiss makes the XD driver and hub for SRAM, which means that it can be assembled without tools. http://gp1.pinkbike.org/p4pb8684859/p4pb8684859.jpgSRAM's rear hub can be adapted for standard quick release or a 142/12-millimeter through axle by simply interchanging endcaps. We asked SRAM to walk us through the 142/12 version. Begin by sliding the rear axle from the hub. http://gp1.pinkbike.org/p4pb8684862/p4pb8684862.jpgPull off the endcaps and the XD driver can be slid off the hub's stub axle. The pawls will fall off the XD's ratchet mech, so watch out for loose parts. The ratchet ring and stub axle are shown on the left. SRAM uses oil instead of grease to lubricate the ratchet to maintain operation in freezing conditions. The protruding axle sleeve supports the outboard bearing of the XD driver. http://gp1.pinkbike.org/p4pb8684863/p4pb8684863.jpgA look at the XD driver's three-pawl ratchet shows the stiff, flat springs and the unique, three-tooth engagement on each pawl. Threads on the driver (right) engage a sleeve inside the eleven-speed cassette. The driver has two sealed bearings. The outboard bearing protrudes about four millimeters and indexes the driver into a sleeve beneath the cassette's smallest cogs. http://gp1.pinkbike.org/p4pb8684864/p4pb8684864.jpgThe black-anodized sleeve can be seen inside the XD eleven-speed X-Dome cassette. Normally, the XD driver will be installed on the hub's stub shaft before the cassette is installed, but we wanted to show how the driver fits into the cassette (right). Like the X.0 cassette, all pedaling loads are carried by the splines of the largest cog. In the case of the XD drive, however, the larger indexing spline that is used on conventional freehubs has been eliminated, because the remaining ten cogs are machined from a single piece of stainless steel and it is not necessary. http://gp1.pinkbike.org/p4pb8686903/p4pb8686903.jpgA close-up look at the X-Dome cassette(left) reveals the black-anodized splines of its inner sleeve. The cassette simply spins onto the threads of the XD driver using a Shimano-type freehub lock-ring tool. The XD driver's outboard bearing is visible inside the cassette. In real life, you'll need to install the driver first (right). Slide the XD driver over the axle stub and then turn it counter-clockwise to engage the ratchet. The endcap then snaps onto the axle stub. We discovered that SRAM's XD driver and hub system is quite simple to take apart and reassemble. Each part either slides into place, or snaps together. The threaded cassette sleeve is the only component that requires a tool and none are needed to switch the hub from one axle standard to another. This should be a plus for XX1 owners who ride in inclement weather, as regular maintenance of the driver and hub will be a painless process. The XD system is an elegant solution to adapt smaller cassette sprockets to a conventional hub design. nathrix 1 Link to comment Share on other sites More sharing options...
YUMEYA Posted September 23, 2012 Share NICE! Link to comment Share on other sites More sharing options...
DoubleDee Posted September 24, 2012 Share Refering to previous thread about mud riding ruining groupset! XX1 only for fair weather riders? Link to comment Share on other sites More sharing options...
M L Posted October 29, 2012 Share With such a huge cassette, you won't shed of much weight. More of a simplicity thing? Link to comment Share on other sites More sharing options...
Wyatt Earp Posted October 29, 2012 Share With such a huge cassette, you won't shed of much weight. More of a simplicity thing? Only 8 more teeth, that cassette as it is there weighs the same as a Shimano 10 speed cassette. Link to comment Share on other sites More sharing options...
ThePubSA Posted October 29, 2012 Share Only 8 more teeth, that cassette as it is there weighs the same as a Shimano 10 speed cassette.like a Bos Link to comment Share on other sites More sharing options...
NotSoBigBen Posted October 29, 2012 Share Just wondering what 'black magic' (can I say that?) is used so as to not require a chainguide? I DID read it but maybe I missed something .... So from what I have heard it has to do with the design and 'length' of the teeth on the chainring. It seems it does work as some have apparently done all kinds of things like back pedal in technical sections and so on and it still didn't come off .... Link to comment Share on other sites More sharing options...
jimmy hardtail Posted October 29, 2012 Share Anyone know the price including new rear hub? Link to comment Share on other sites More sharing options...
Iwan Kemp Posted October 29, 2012 Share Anyone know the price including new rear hub?Roughly R10k excl brakes, excl rear hub. Link to comment Share on other sites More sharing options...
M L Posted October 29, 2012 Share Only 8 more teeth, that cassette as it is there weighs the same as a Shimano 10 speed cassette.How much does it weigh compared to 11-36 xx cassette? Link to comment Share on other sites More sharing options...
Iwan Kemp Posted October 29, 2012 Share How much does it weigh compared to 11-36 xx cassette? 260 vs 208 Link to comment Share on other sites More sharing options...
Iwan Kemp Posted October 29, 2012 Share Where you save is: Front Der: 118gFront Shifter: 95gExtra Blade: 50g Gain: 263gLoose: 52g Then you loose an additional 35g on the rear der, but that's thanks to Type 2 tech. Edited October 29, 2012 by The Crow M L 1 Link to comment Share on other sites More sharing options...
Wyatt Earp Posted October 29, 2012 Share As much as everyone is looking at the weight saving, they neglect the fact that it's the simplicity and the almost SS clean looks it brings to the party. Link to comment Share on other sites More sharing options...
Iwan Kemp Posted October 29, 2012 Share As much as everyone is looking at the weight saving, they neglect the fact that it's the simplicity and the almost SS clean looks it brings to the party. Yip. I'm running 1x10 on one of my bikes and it's a joy. Will giive XX1 a year or so then I will be on the bandwagon. Link to comment Share on other sites More sharing options...
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