Shimano XT M8100 groupset
The Shimano XT 12 x 1-speed component group, complete with XT disc brakes featuring 2- or 4-piston calipers, optionally with brake discs and bottom bracket
Shimano XT M8100:
The new Shimano XT 12-speed components, designed for use ranging from cross-country to enduro. The XT components designated 8100 are designed for 1x12 and 1x12-speed drivetrains. The legendary durability and performance of XT MTB parts is now also available in 12-speed. The new Deore XT M8100 series boasts a host of technical highlights, including Shimano’s groundbreaking 12-speed Micro Spline cassettes, available with a range of 10-45T or 10-51T, 1x12- or 2x12-speed Hollowtech II cranksets, powerful two- and four-piston brakes, I-Spec EV shift levers, high-precision 12-speed rear derailleurs and front derailleurs, Ice Tech Frezza brake discs with their superior heat dissipation, as well as the WH-M8100 and WH-M8120 wheelsets for XC and enduro use.
Scope of delivery: Deore XT 8100 MTB groupset 12x1-speed:
- Shimano XT rear derailleur RD-M8100
- Shimano XT shift lever SLM 81000, Rapidfire 12-speed, with handlebar clamp, or I-Spec EV direct mount
- Shimano XT crankset FCM8100 or FCM8120, 51 mm or Boost 55 mm chainline
- Optional Shimano XT or Wheels bottom bracket
- Shimano XT disc brakes front and rear, brake levers BRM8100, 2-piston calipers BRM8100 or 4-piston calipers BRM8120, brake hoses SM-BH90-SBM 100 and 170 cm in length
- Optional XT brake discs MTRT800 Centerlock or SMRT86 Disc 6-hole
- Shimano XT CS-M8100 cassettes, 10-51 tooth range, 12-speed Micro Spline
- Shimano XT chain HCN-M8100, 116, 126 or 138 links including chain lock
- Inner cable and outer cable housing, black
Shimano XT RD-M8100 rear derailleur:
The XT RDM 8100 SGS long cage rear derailleur for use with Shimano 12-speed cassettes in 10-45 and 10-51 tooth configurations and a single chainring. The XT Shadow Plus 8100 rear derailleur shifts with extreme precision, speed and smoothness. The new, slimmer design and extremely precise machined fits ensure high shifting precision and a long service life. With the ability to adjust the friction damper as desired via a screw mechanism, the system can be tuned to prioritise maximum stability or minimal operating force. Furthermore, the rear derailleur features an even slimmer profile, which protects it from damage and further reduces operating force thanks to the flat angle of engagement.
Shimano XT SL-M8100 Rapidfire shift lever:
The XT Rapidfire 12-speed SL-M8100 shifters are available for I-Spec EV direct mounting on current Shimano disc brakes with I-Spec EV mounts or for classic mounting with a handlebar clamp. Operating forces have been reduced by 35 per cent thanks to a modified gear ratio combined with lower cage tension at the rear derailleur. However, thanks to a redesigned internal mechanism, the M8100 shifter shifts 20 per cent faster, allowing the rider to react even more quickly to changing road conditions. The shifters feature a dual-textured, non-slip surface and are equipped with all the latest high-end technologies such as Multi-Release, Instant-Release and 2-Way-Release.
Shimano I Spec EV:
The new I-Spec version of the Shimano XTR shifters and brakes offers a wide adjustment range – 14 mm laterally and 60 degrees of rotation – ensuring optimal shifting ergonomics. With the I-Spec EV version, the shifter can be mounted on XTR M9100/9120 brake levers in a space-saving manner. Furthermore, mounting via the new standard offers a 14-millimetre lateral adjustment range, and the shifter can also be rotated by 60 degrees. The new I-Spec EV version is not compatible with older brakes.
Shimano XT FC-M8100/FC-M8120 crankset
The new Deore XT 1x12-speed crankset features – naturally – Shimano’s world-renowned Hollowtech II technology, amongst other things. For the chainrings, DYNAMIC CHAIN ENGAGEMENT+ technology, with its alternating wider and narrower teeth and specially precision-machined tooth profile, ensures that the chain is held securely on the chainring at the top, but is released just as easily, smoothly and quietly at the bottom as it runs down, guaranteeing both safety and efficiency. Thanks to the Direct-Mount attachment, the chainrings can also be fitted quickly and easily, allowing them to be swapped out rapidly for different riding scenarios. With 28, 30, 32, 34 and 36 teeth, there are five chainring options available for every terrain and every fitness level. The crankset is available in lengths of 165 mm, 170 mm, 175 mm and 180 mm, as well as in three versions: FC-M8100-1 for a 52 mm chainline; 172 mm Q-factor and mounting widths of 142 and 148 mm, FC-M8120-1 for a 55 mm chainline, 178 mm Q-factor and 148 mm O.L.D., and the Super Boost variant FC-M8130-1 for a 56.5 mm chainline, 181 mm Q-factor and 157 mm O.L.D.
Shimano XT SM-CRM85 chainring:
The Dynamic Chain Engagement Plus chainrings from the Shimano XT 12x1 series SM-CRM85. Available from 28 to 38 teeth. These chainrings are compatible with Standard, Boost and SuperBoost frames. The chainline is determined by the crankset.
Shimano Direct Mount chainring mount:
The new XT 1x12-speed cranksets now also feature the Shimano Direct Mount chainring mount. This allows the chainrings to be changed easily. The TL-FC41 tool is required for removing and fitting the chainring. The XT SM-CRM85 and XTR SM-CR95 chainrings can be used
Shimano Deore XT Brake Lever BL M8100:
The XT BLM 8000 brake levers, featuring a 1.5-finger lever for ergonomic handling, are suitable for Direct Mount and I-Spec EV shifters. The Shimano Deore XT brake levers operate both caliper versions with a single model and feature Shimano’s Servo-Wave technology. Furthermore, the free travel has been reduced once again, resulting in an even more direct response. The brake levers follow the design of the XTR brake levers and are also mounted at an angle rather than parallel to the handlebars, so that they are supported at a second point on the handlebars in addition to the clamp, making them significantly stiffer than before. For individual adjustment, the levers are equipped with a tool-free grip width adjustment and an adjustment option for the free travel.
Shimano Deore XT brake calipers BR M8100 / BR M8120:
The XT brake calipers always feature a Post Mount caliper and an adapter suited to the disc size and fork. The Deore XT brakes are available both as XC-specific two-piston brakes and as four-piston brakes for trail/enduro. The two-piston version features a similar design to the predecessor in the M8000 range, which is why the existing brake pads – G03A, J02A, J03A (resin) and G04S, J04C (metal) – will continue to be used here. The four-piston variant, on the other hand, is a completely new development, whose design is based on its big sister from the XTR M9100 series, with which it also shares the N03A resin pads with cooling fins and the N04C metal pads with cooling fins. It is also compatible with the D03S resin pads (without cooling fins) and D02S metal pads (without cooling fins).
Shimano I Spec EV:
The new I-Spec version of the Shimano XTR shifters and brakes offers a wide adjustment range – 14 mm laterally and 60 degrees of rotation – ensuring optimal shifting ergonomics. With the I-Spec EV version, the shifter can be mounted on XTR M9100/9120 brake levers in a space-saving manner. Furthermore, mounting via the new standard offers a 14-millimetre lateral adjustment range, and the shifter can also be rotated by 60 degrees. The new I-Spec EV version is not compatible with older brakes.
Shimano XT CS-M8100 cassette:
The Shimano XT 12-speed CS-M9100 cassette is available with 11-45 teeth for racing, with close-ratio gearing, or with 10-51 teeth for maximum gear range. At the same time, it is also the most carefully spaced cassette and, thanks to Hyperglide+, shifts superbly even under load. The close spacing enables precisely calculated gear changes without large, noticeable jumps or gaps, which saves power and energy and helps maintain flow on the trail in all situations. The cassettes feature an aluminium spider construction; the two largest sprockets are also made of aluminium, whilst the remaining ten are made of steel, ensuring an excellent, balanced ratio of robustness and durability on the one hand, and low weight on the other.
Shimano XT CN-M8100 chain:
The chain is perfectly matched to 1x and 2x 12-speed Shimano MTB chainrings with Dynamic Chain Engagement+ (DCE+) tooth profiles. The XT HG chain has been completely redesigned and features even finer, precision-machined contact surfaces with the sprockets and chainrings, particularly on the inner links. Furthermore, the inner links are chrome-plated, making them even more durable whilst delivering outstanding shifting performance when shifting up or down.
Contents of the Deore XT 8100 12x1 groupset:
- Shimano XT rear derailleur RD-M8100
- Shimano XT SLM 81000 shift lever, Rapidfire 12-speed, with handlebar clamp, or I-Spec EV direct mount
- Shimano XT crankset FCM8100 or FCM8120, 51 mm or Boost 55 mm chainline
- Optional Shimano XT or Wheels bottom bracket
- Shimano XT disc brakes front and rear, brake levers BRM8100, 2-piston calipers BRM8100 or 4-piston calipers BRM8120, brake hoses SM-BH90-SBM 100 and 170 cm in length
- Optional XT brake discs MTRT800 centre hole or SMRT86 Disc 6-bolt
- Shimano XT cassettes CS-M8100, 10-45 or 10-51 teeth, 12-speed Micro Spline
- Shimano XT chain HCN-M8100, 114, 126 or 138 links including chain lock
- Internal gear cables and outer casing, black
Compatible bottom bracket shell / bottom bracket:
- BSA thread: BC - 1.37 x 24T, bottom bracket width 68–73 mm, Shimano BBMT800B bottom bracket
- Pressfit 92:Press-fit diameter 41 mm, bottom bracket width 89.5–92 mm, Shimano BBMT800PA bottom bracket
- BB30 OS: Press-fit diameter 42 mm, bottom bracket width 84.5 mm, Shimano SMBB9142A bottom bracket
- BB30: Press-fit depth 42 mm, bottom bracket width 68–73 mm, compatible bottom bracket cups
Wheels Outboard Item No.: BB30-OUT - BB30A: Press-fit depth 42 mm, bottom bracket width 73 mm asymmetrical, compatible bottom brackets:
Wheels Outboard Item No.: BB30A-OUT-SHIM - Pressfit 30: Press-fit diameter 46 mm, bottom bracket width 68–73 mm, compatible bottom brackets:
Wheels Outboard Item No.: PF30-OUT - Pressfit 30A: Press fit 46 mm, bottom bracket width 73 mm asymmetrical, compatible bottom brackets:
Wheels Outboard Item No.: PF30A-OUT-SHIM - BBright: Press fit 46 mm, bottom bracket width 79 mm, compatible bottom brackets:
Wheels Outboard Item No.: BBRIGHT-OUT-1 - 386EVO: Press fit 46 mm, bottom bracket width 86.5 mm, compatible bottom brackets:
Wheels Outboard Item No.: 386EVOBB-SHIMAC - Trek BB90/95 press-fit 37 mm, bottom bracket width 90/95 mm, compatible bottom brackets:
Wheels replacement bearings Part No: SB-24X37 plus seals and spacers Part No: SHIM-SPACER-PK - T47 thread: M47x1, bottom bracket width 68–132 mm, compatible bottom brackets:
Wheels Outboard Part No.: T47-BB-SHIM-AC
The Shimano XT disc brake is supplied with Post Mount 6 brake calipers.
You can optionally order the correct adapter for your fork and disc size
IS 2000: Side mounting. An adapter is always required for fitting the Shimano XT Disc; maximum 203 mm, minimum 160 mm on the fork and 140 mm disc size on the frame. Common on older suspension forks and almost all rear triangle frames
Post Mount, PM5: Direct mounting of the Shimano XT Disc with 140 mm brake discs without an adapter. Maximum 180 mm, minimum 140 mm disc size. Currently only found on rear triangle frames
Post Mount, PM6: Direct mounting of Shimano XT Disc brakes with 160 mm brake discs without an adapter. Maximum 203 mm, minimum 160 mm on the fork and 140 mm disc size on the frame. Currently the most common standard on forks, and on some rear triangle frames.
Post Mount, PM7: Direct mounting without an adapter for the Shimano XT Disc with 180mm brake discs. Maximum 203mm, minimum 180mm disc size. 140mm and 160mm disc sizes are not possible. Found on some enduro suspension forks such as the Magura Thor and on some rear triangle frames such as the Liteville 301.
Post Mount, PM8: Direct mounting without an adapter for the Shimano XT Disc with 203mm brake discs. Can only be used with 203mm brake discs. Found only on downhill suspension forks and frames
Herstellerinformation: SHIMANO INC., 3-77 Oimatsu-cho, Sakai-ku, Sakai-shi, Osaka 590-8577, Japan, www.shimano.com | EU contact: Shimano Europe BV, High Tech Campus 92, 5656 AG Eindhoven, The Netherlands, www.shimano.com
