Shimano launch expanded DEORE groupset range

By Dominic Unwin | 8 May 2020

Shimano have announced a huge upgrade to its DEORE product line, providing elite MTB technology at a reduced cost.

The new 12-speed groupset, Shimano M6100, is marketed as ‘trickle-down component technology’ and will offer riders a 510% gear range as well as the 12-speed features introduced with the XTR M9100 set.

Notably, DEORE has also expanded to include 10 and 11-speed options, giving riders a broad choice while being kind to their wallets. :

Shimano DEORE M6100

The new DEORE M6100 is designed to deliver riders a more efficient shifting up and down the casette via Hyperglide+ tech. The system also features a new 10T small cog.

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 1x12 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

RAPIDFIRE PLUS shifting
2-WAY RELEASE with push and pull movements
OPTICAL GEAR DISPLAY option
Available in two models:

SL-M6100-IR – I-SPEC EV
SL-M6100-R – Band Clamp

SL-MT500 Seat Post Lever

Quick lever access from grip position
Available in I-SPEC EV and Band Clamp

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

BR-M6100 – Efficient 2-piston brake caliper

Excellent brake control
Compatible with SHIMANO ICE TECHNOLOGIES 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

To top it all off there are two 12-speed hub options. Featuring radial cartridge bearings for the first time, they are available in 142 and 148mm specs.

Shimano DEORE M5100 and M4100

Whereas the M6100 promises riders an elite mountain bike experience, both the M5100 and M4100 offer riders more bang for your buck.

Combined, these groupsets are a 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.

With a similar gear thickness between 10 and 11-speed systems, it’s a simple line-up. Available in both single and double front chain ring setups, the DEORE M5100 and M4100 are ideal for the beginner to the seasoned mountain biker.

FC-M5100 10/11-Speed Crankset