Shimano M6100 Deore 12Sp MTB Drivetrain Groupset View larger

Shimano M6100 Deore 12Sp MTB Drivetrain Groupset


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Shimano M6100 Deore 12Sp MTB Drivetrain Groupset

Delivering strong, reliable and quick shifting performance, this 12 speed MTB drivetrain groupset gives riders a superb components package at an affordable price. Allowing you to instantly feel the difference, this groupset comes equipped with a high-quality chainset, rear mech, shifter, cassette and chain, which means that you'll benefit from a smoother and more dependable drivetrain.

Shimano Deore FCM6100E2 Chainset

This 1x12 speed MTB chainset features a sleek metallic finish and a single-only configuration for drivetrain simplicity. Shimano has also equipped it with the same Dynamic Chain Engagement technology as its XTR, DEORE XT and SLX cranksets. This means that you'll benefit from its narrow/wide tooth profile, which gives you improved chain retention, smoothness and quietness as you weave between the trails. Developed for secure and fast chainring mounting, this groupset's crank is fitted with a direct mount system, which makes chainring changes as simple as possible.


  • Use: MTB
  • Speed: 1x12 speed
  • Length: 175mm
  • Chainring: 32T
  • Technology: Dynamic Chain Engagement technology
  • Tooth Profile: Narrow/Wide
  • Crank Mount: Direct mount

Shimano Deore RDM6100SGS Rear Mech

Designed for precise and quick shifting within a 10-51T range, this rear mech uses its 13 tooth pulley wheels and Shimano SHADOW RD+ technology to reduce chain chatter and give you superior chain retention. Another highlight is it includes a stiffer derailleur arm and higher chain tension, so you can enjoy smooth and reliable shifting performance.


  • Tooth Range: 10-51T
  • Pulley Wheels: 13T
  • Technology: Shimano SHADOW RD+
  • Stiffer derailleur arm
  • Higher chain tension

Shimano Deore SLM6100R Shifter

Using the same technologies as Shimano's XTR, DEORE XT and SLX series, this 12 speed right-side shifter gives you fast and flawless gear changes. Offering greater ergonomic adjustments, you can easily tailor its handlebar control to suit your riding style, personal preferences and the terrain conditions. Coming complete with RAPIDFIRE PLUS and TWO-WAY RELEASE technologies, you'll also benefit from being able to shift up and down its 12 gears faster than ever before.


  • Speed: 12 speed
  • Side Mount: Right side
  • Adjustable: Yes

Shimano Deore CSM6100051 Cassette

Made up of 12 durable steel sprockets and coming in a 10-51T gear ratio, this cassette is designed for fast and smooth shifting performance. It features a Microspline freehub design and it comes complete with Hyperglide+ technology, which allows you to easily shift both up and down its gearing ratio, even under load. This makes it ideal for riders who enjoy exploring across unpredictable terrain conditions, as you'll have a gear for every situation.


  • Sprocket Material: Steel
  • Tooth Count: 10-51T
  • Speed: 12 speed
  • Freehub Design: Microspline
  • Technology: Hyperglide+

Shimano Deore CNM6100126Q Chain

This high-quality MTB chain completes this groupset by delivering excellent value. Perfectly matched with the 1x12 crankset and cassette, this chain offers fantastic torque and reliability.

A 2-year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).


  • Colour: Black
  • Size: 10-51t
  • BoltCircle: Direct Mount
  • Teeth: 32t
  • Speed: 12 Speed
  • Length: 175mm
  • Material: Aluminium

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