Shimano DEORE M6100 Gets Upgraded to 1×12 Speed

5/7/2020 : sicklines

Today Shimano has some exciting news for those of you waiting for the DEORE nameplate to get upgraded to 12 speed. Details inside from Shimano.

Photos: Shimano / Sterling Lorence
Shimano DEORE is available in three different variants M6100, M5100, and M4100. The chart below highlights the updated options available in the DEORE range.

, Shimano DEORE M6100 Gets Upgraded to 1×12 Speed

M6100 Pricing
, Shimano DEORE M6100 Gets Upgraded to 1×12 Speed

Shimano M6100 (12 Speed)

, Shimano DEORE M6100 Gets Upgraded to 1×12 Speed

SHIMANO DEORE creates new value price-performance paradigm with trickle- down 12-speed mountain bike component technology

New SHIMANO DEORE also expands 10/11-speed group capabilities

OSAKA, Japan (May 8, 2020) – New SHIMANO DEORE components deliver a new level of premium performance to the value category by bringing hallmark elite mountain bike technologies to a new price level. SHIMANO DEORE M6100 is a no-compromise component group, offering a full 510% gear range and all of Shimano’s top 12-speed technological innovations first introduced with XTR M9100. SHIMANO DEORE also builds on its legacy as a versatile, value-focused group by broadening its ranges with 10- and 11-speed options.

« SHIMANO DEORE M6100 packs Shimano’s pinnacle 12-speed mountain bike technologies: wide range 10-51T cassette, HYPERGLIDE+ technology, I-SPEC EV, Direct- Mount chainrings, extended inner-link plate chain, and MICRO SPLINE FREEHUB design.

« SHIMANO DEORE M5100 components build on 11-speed mountain bike drivetrain technologies offering a redesigned rear derailleur, wide range 11-51T cassette, and I-SPEC EV technology.

« SHIMANO DEORE M4100 brings value and versatility into the existing 10-speed platform. An 11-46T cassette, I-SPEC EV brakes and shifter options, and a rear derailleur with a 40% price reduction bring expanded capability to 10-speed mountain bikes and provide significant upgrade potential.

SHIMANO DEORE M6100: 12-Speed Trickle Down Technology
Delivering SHIMANO’s premium technology and shifting performance, the new SHIMANO DEORE M6100 drivetrain delivers more efficient shifting up and down the cassette with HYPERGLIDE+ technology. The MICRO SPLINE FREEHUB design delivers a durable construction that works seamlessly with the system’s new 10T small cog. Adding to SHIMANO DEORE’s performance package is Shimano’s DYNAMIC CHAIN ENGAGEMENT+ that provides stronger chain retention and smoother pedaling. All of this wrapped in a powerful package with stylish details, including color-shifting logos that change hues with light angles.

FC-M6100 12-Speed Cranksets
– Direct Mount chain ring
– 2-piece crankset construction
– Single front chainring only
– Chainring options: 30, 32T
– Crank arm length options: 170, 175mm

CN-M6100 Chain
– New HYPERGLIDE+ shift technology
– Extended inner link plate
– Quick link for easy connect and tool-free assembly

CS-M6100-12 Wide Range Cassette
– New HYPERGLIDE+ shift technology
– 10-51T (510%) gear range
– MICRO SPLINE interface
– All steel cogs
– Designed for single front chainring setup
– 10-12-14-16-18-21-24-28-33-39-45-51T

RD-M6100-SGS Rear Derailleur for 1×12 Setup
– Fast and precise shifting
– 13T pulley
– For single front chainring setup
– 51T max cog size
– SHIMANO SHADOW RD+ technology

SL-M6100-IR and SL-M6100-R – Right Shift Levers
– 2-WAY RELEASE with push and pull movements
– Available in two models:
o SL-M6100-IR–I-SPECEV o SL-M6100-R–BandClamp

BL-M6100 Brake Levers
– One SHIMANO DEORE brake lever for both 2-piston and 4-piston brake calipers
– Quick brake engagement with shorter free stroke
– Optimized lever axle position and refined ergonomics
– I-SPEC EV compatible
SL-MT500 Seat Post Lever
– Quick lever access from grip position
– Available in I-SPEC EV and Band Clamp

BR-M6100 – Efficient 2-piston brake caliper
– Excellent brake control
brake pads
– Inboard hose routing for clean setup
BR-M6120 – Powerful, 4-piston brake caliper
– Powerful brake design
– 4-piston hydraulic brake caliper
– Inboard hose routing for clean setup

SHIMANO Series 12-Speed Hubs
Rounding out the SHIMANO DEORE 12-speed system is a value-priced hub set. The non-series MICRO SPLINE MT410 hubs deliver simple setup and reliable trail performance. The radial cartridge bearings are a first for SHIMANO, offering 12-speed hub options in 142 and 148mm O.L.D. spec at the value level.

, Shimano DEORE M6100 Gets Upgraded to 1×12 Speed

HB-MT410 and FH-MT401 12-speed hubs
*The FH-MT401 QR hub is not offered in North America.

Model No.
O.L.D. (mm)
Spoke Hole
Ratchet Type
Axle Type
100, 110
28H, 32H, 36H

28H, 32H
28H, 32H, 36H

SHIMANO DEORE M5100 11-Speed and M4100 10-Speed Groupsets
Bringing proven technology with expanded applications for value conscious riders, SHIMANO DEORE M5100 and M4100 components deliver the SHIMANO DEORE brand promise of value and versatility. This flexible lineup of components brings a new level of performance in shifting and braking with expanded gear ranges for 10- and 11-speed bikes while also providing opportunities for riders to upgrade their bikes. Capitalizing on the common gear thickness and cable pull ratio of 10- and 11-speed mountain bike systems allows for a simple lineup that maximizes versatility and value. Available in both single and double front chain ring setups, SHIMANO DEORE M5100 and M4100 deliver HG and RAPIDFIRE PLUS technologies with the same I-SPEC EV brake lever and shifter design as the company’s premium mountain bike groups.


, Shimano DEORE M6100 Gets Upgraded to 1×12 Speed

M5100, Shimano DEORE M6100 Gets Upgraded to 1×12 Speed


, Shimano DEORE M6100 Gets Upgraded to 1×12 Speed

FC-M5100 10/11-Speed Crankset
– For use with 2×11 systems
– 22-36T chain rings
– For use with 2×10 systems – 22-36T chain rings

52mm chain line
Options for 30, 32T chain rings Single versatile design for use with:
o 10and11speedsystems
o 135,141mmO.L.D.forQR
o 142,148mmO.L.D.forthruaxle

FC-M5100-2/-B2 FC-M4100-2/-B2 CS-M5100-11
– Compatible with standard HG FREEHUB body
– 11-51T wide range cassette for 1×11
– 11-42T Rhythm Step cassette for 1×11 or 2×11
– Compatible with standard HG freehub body
– 11-46T wide range cassette for 1×10
– 11-42T Rhythm Step cassette for 1×10 or 2×10
RD-M5100 1×11 Rear Derailleur
– Redesigned to allow for a 51T maximum cog size for 11-speed systems
– SHIMANO SHADOW RD+ technology

RD-M5120 10/11-Speed Rear Derailleur
– Versatile design for both 10- and 11-speed systems
– SHIMANO SHADOW RD+ technology
– For use with low cog sizes between 42T-46T
RD-M4120 10/11-Speed Rear Derailleur
– Versatile design for both 10- and 11-speed systems
– SHADOW technology
– Maximum cog size 42T
SL-M5100 11-Speed Shift Lever
– I-SPEC EV or band clamp options
SL-M4100 10-Speed Shift Lever
– I-SPEC EV or band clamp options
SL-M5100-L Front Shift Lever
SL-M5100 Shift Levers

Universal shifter for 10- and 11-speed systems RAPIDFIRE PLUS MONO shifting lever I-SPEC EV or band clamp options
BL-M4100 non-series brake lever
– Paired with existing BR-MT410 2-piston caliper to make an updated MT410 brake
– Paired with existing BR-MT420 4-piston calipers to make an updated MT420 brake
– New brake lever architecture

Pricing and availability
SHIMANO DEORE M6100 series components will be available IMMEDIATELY. SHIMANO DEORE M5100 and M4100 components are available in the coming weeks.

About Shimano North American Bicycle, Inc.
Shimano North American Bicycle, Inc., a member of Shimano North America Holdings, Inc., along with its world-renowned subsidiaries, offers consumers outstanding sport-related products and apparel. Shimano is proud of its staff, diversity in talent, interests and backgrounds. The company is an ISO14001 certified business where environmental compliance and continued improvements are part of the business philosophy and operations.


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