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Shimano XT M8000

HOME FORUM RIDING FEELS GOOD FORUM TECH TALK Shimano XT M8000

This topic contains 18 replies, has 9 voices, and was last updated by  Matty F 3 years, 9 months ago.

Viewing 15 posts - 1 through 15 (of 19 total)
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  • #802749

    fietser
    Participant

    I have been riding my homebrew 1×10 (Shimano bits) for a year now and love it. With a new build in the works I was looking at drivetrain options – just found it.

    http://bike.shimano.com/content/sac-bike/en/home/components11/mountain/deore-xt-8000.html

    While XTR is great XT has always been more my price point. I have always been a big Shimano fan, super happy to see the trickle down in technology to the XT level. For me XT has always been bulletproof and for me that is important. Can’t wait to see get this bolted up once it becomes available and be able to ride a ‘real’ 1×11.

    #802753

    micah356
    Participant

    Looks good to me. A bit annoyed that they have redesigned the ISPEC mount AGAIN! So since I use ISPEC, I either have to add an extra clamp or buy new brakes too…

    #803226

    FastTimes
    Keymaster

    Our man @matty-f shares his initial thoughts on the group here: https://www.ridingfeelsgood.com/first-look-shimano-xt-m8000/

    #803234

    micah356
    Participant

    Another question I have is how many gears can you shift in one lever push / pull? And to go with that, will there be a matching Saint 11 speed shifter with more clicks-per-push?

    Oh and the article doesn’t make it all that clear that the new group is 11 speed, apart from the caption on the photo of the cassette.

    #803242

    jcitizen
    Participant

    Part of me feels slightly disappointed I didn’t know about this sooner (aka pay attention) but I did scoop up a 10spd XT shifter, derailleur, cassette and chain for like $200 on CRC, which should last me a while. I’m actually gonna do a small 64BCD 26T ring up front to get the gearing I need without a big back cog, but I’m a bit jealous of the full range you get with this stuff for not that much more money – it’s about time!

    #803244

    Matty F
    Participant

    Another question I have is how many gears can you shift in one lever push / pull? And to go with that, will there be a matching Saint 11 speed shifter with more clicks-per-push?

    XTR and Saint both have double-shift, instant release for up-shifts in their most recent 10 speed iterations. According to Shimano’s press release, the new XT M8000 will have “Multi/Instant and 2-Way Release”. I suspect that means at least a double up-shift feature.

    #803245

    Dean.Campbell
    Participant

    Wow, and compatible with my freehub body. This seals up my upgrade plans.

    #803247

    jcitizen
    Participant

    Wow, and compatible with my freehub body. This seals up my upgrade plans.

    Absurd that SRAM would push for who new freehubs for one tooth. Still don’t get why Sramano couldn’t just make a cassette with a bigger cog years ago.

    #803254

    BlurredLines
    Participant

    Really excited for that trickle down. I’ve got an “end of life” 9spd drivetrain on my hardtail that was built with those god forsaken XT DCL’s and getting a boatload of features that I scrounged the cash together for on my full sus onto my hardtail for “not a lot of money” makes me (wish I had waited) happy knowing I can enjoy the same features without having to build a bike before each ride.

    Now if companies could just stop ditching 26″ wheels on me I’d be in heaven!

    #804271

    micah356
    Participant

    Just an FYI, it looks like they are making the new XT shifter in both I-SPEC B mounts and the new I-SPEC II.

    So that means I can get a new shifter and attach to my existing Deore brake!

    #806448

    caRpetbomBer
    Participant

    One Up components is working on a 10-45 cassette that works on a normal free hub body. No need to switch over to a Sram XD driver for the 10t.

    #806461

    Matty F
    Participant

    I just got this group mounted up to my bike the other day, and took my first spin on it (albeit just a commute home, as a sprained wrist is preventing me from proper riding). The shift quality is really outstanding. Comparable to what I’ve experienced with the XTR M9000 group, though XTR has always been said to maintain its performance for a much longer life span.

    The greatest shifting improvement I find to be in up-shifting, both spinning and in loaded sprints. The double up-shifts have become so smooth they feel like a single shift. It also feels as if there is much lighter shifting action, which is compensated for at the shifter by more pronounced positive feedback. While the externally adjustable clutch is a well publicized new feature, I don’t recall any mention of the new grease port for the clutch mechanism, which obviously allows very easy maintenance. No word on how well the Shimano rings retain the chain yet, which is one of the things I’m most curious about.

    The real standout here is the price. The MSRP for the combined cassette, shifter, derailleur and chain is somewhere in the $400 area, which is pretty much the same price as a Sram X1 cassette alone (Sram’s cheapest available 10-42 cassette). Doing a quick search on Chain Reaction for comparison sake, it seems the XT M8000 group is selling for $542, while Sram’s comparable X01 group is selling for $1,158. Though, obviously those prices are not real-world, bike shop figures.

    #811211

    fietser
    Participant

    Well, it is almost a year later but the bike fund piggy bank and the CFO finally agreed that it was time for the M8000 upgrade! To be fair, I did have a new frame/fork/wheelset jump the queue in there at some point.

    Anyway, I digress. Between my home mechanic skills and the help of @matty-f I got the kit all bolted up and dialed in – dinner, pints and banter were also quite welcome after a long hiatus Matt, thanks! Took the bike out for it’s maiden voyage with the new kit yesterday on my local track and it was everything (and more) I had hoped for in the upgrade.

    Two things stuck out immediately for me:

    1. Brakes – I was on the fence about upgrading brakes since I was quite happy with the SLX brakes I was running. So glad I ponied up for the new M8000s. The modulation is next level. Having run 785s (previous gen XTs) for most of last season I can honestly say that Shimano has outdone themselves with the M8000s. The engineers in the Shimano pits are the masters of minutiae and eked out the tiniest, albeit noticeable increase in feel and performance from these brakes. Well done. Since I was going for the whole package the i-Spec dilemma that @micah356 pointed out became a non-issue but is certainly something to consider – but, that new i-Spec is pretty slick.

    2. Shifting – As the kids say these days – Like a Boss! Truth: At the beginning of my ride I was actually over shifting since it was so effortless. I was dumping gears like a high school flame at Thanksgiving after having been away at school in first year! However, it didn’t take me long to get things figured out and before long I had the feel pinned down.

    Also of note: coming off an 11-36 cassette with a 30t NW out front I found I never made it into the new ‘big cog’ (42) on my local ride but I will be happy to have it for grinding out some big climbs on my trip West this summer. I will likely slap on my 32t NW for local riding.

    Not likely much here that hasn’t already been said but thought I would follow up. Price point wise I think this is an excellent upgrade for anyone looking to replace and aging drivetrain or jump on the 11spd bandwagon. XT has always been a solid performer and one that is also in it for the long haul.

    Now @jcitizen to swap over the old drive train to that dust collecting Chromag… just need time, more on that later.

    #811213

    jcitizen
    Participant

    I began reading your post thinking “he set up his Chromag and didn’t tell me!!” , but was pleasantly surprised with your call out at the end. Wanna see that sucker in person!

    As for 8000, I have this on order and am pumped. I’ve realized that I’m a drivetrain brute and seem to trash cassettes like they’re made of plastic. Matty thinks it might be my 30T on the front plus my hulkish quads that are putting so much torque on the DT. Thinking I may run a 32 or 34 up front when I put on the 8000. After I trashed my Praxxis 11×40 I put on an 11×34 and it wasn’t a huge detriment to my ride. Figure I can get away with a bit bigger front cog and hopefully take a bit of stress off my drivetrain. Tired of replacing cassettes every 6-8 months.

    #811805

    swiftflow
    Participant

    Anyone having issues with M7000/M8000/M9000 dropping cogs when backpedaling?

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