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Shimano Deore 1x12 Drivetrain Bundle - M6100/61200

Name: Shimano Deore 1x12 Drivetrain Bundle - M610061200
Brand: Shimano
SKU: m6100groupset
Price: 215 GBP
Availability: InStock

Shimano Deore M6100/M6120 | 12-Speed Performance Bundle

The Deore M6100 series is built for the rigours of modern trail riding. The standout feature is the Hyperglide+ cassette and chain engineering, which allows you to shift gears while pedalling under load—essential for technical climbs. Whether you choose the lightweight M6100 2-piston brakes for cross-country or the high-powered M6120 4-piston version for aggressive enduro, you get the same I-Spec EV cockpit integration for a clean handlebar setup.

The Shimano Deore M6100/M6120 series is widely regarded as the best "pound-for-pound" groupset in mountain biking. It brings the same Hyperglide+ shifting technology and Micro Spline cassette interface found on XTR and XT down to a significantly more accessible price point.

This bundle is the perfect choice for riders building a high-performance trail bike or e-hardtail where durability and value are the primary goals without sacrificing the modern 12-speed range.

Performance Insight: The "Pro-Value" Build

To get the most out of a Deore-based build, we recommend this specific component mix:

The BB Upgrade: Always opt for the BB-MT800 (XT) Bottom Bracket. It is only a few pounds more than the Deore version but features significantly better "Labyrinth" seals, which are essential if you ride in the wet, gritty conditions common in the UK.
The Brake Mix: For the best balance of weight and power, use the M6120 (4-piston) caliper on the front wheel for maximum stopping force, and the M6100 (2-piston) on the rear for better modulation and weight saving.
Rotor Selection: Pair the RT66 (if 6-bolt) or RT64 (if Center Lock) with Metal (Sintered) pads. While the RT54 is cheaper, the RT66/64 rotors are more resilient to the high heat generated by 4-piston calipers and last longer in the mud.
The Dropper Lever: The SL-MT500 lever is the perfect companion to Deore. It mounts directly to the left brake lever, keeping the cockpit tidy and providing a very light action for your dropper post.

CHOOSE OPTIONS

Shifters

Shimano Deore M6100 Shifter, 12-speed - Bandon - Without Display

£0.00

Derailleur & Mechs

Shimano Deore Rd-M6100 12-speed Rear Derailleur

£0.00

Chainsets & Cranks

£0.00

Cassettes

£0.00

Chains

£0.00

Select Front Brake if wanted

£0.00

Select Rear Brake if wanted

£0.00

Optional: Select Bottom Bracket if wanted

£0.00

Select Front Disc Rotor if needed

£0.00

Select Rear Rotor if required

£0.00

Slect Dropper Post Lever if wanted

£0.00

was £349.00

Available to order

£215.00

ADD TO ORDER

e: / t: 01323 737320

THE DETAIL

The Drivetrain Core

RD-M6100-SGS Derailleur: Utilises the Shadow RD+ clutch system to keep the chain silent and secure on rough descents. The large 13T pulley wheels improve efficiency and chain management.
CS-M6100 Cassette: A massive 10-51T range ensures you have the "crawler gear" needed for the steepest UK technical ascents. Note: Requires a Micro Spline freehub body.
FC-M6100/6120 Chainset: Featuring a direct-mount chainring for simplicity. The M6100 is designed for standard 52mm chainlines, while the M6120 is optimised for wider 55mm Boost frames.

Braking & Rotor Options

Deore M6120 (4-Piston): These brakes share the same basic architecture as the XT and XTR models, offering incredible "stopping power" and heat management for larger riders or e-MTBs.
Rotor Choice:
- RT66 (6-Bolt): The "old reliable" for riders with 6-bolt hubs. All-steel, robust, and performs well in all conditions.
- RT64 (Center Lock): A durable Center Lock option that is compatible with both metal and resin pads.
- RT54 (Center Lock): The most affordable option, specifically optimised for resin pads and standard trail riding.

SPECIFICATIONS

Specification	Detail	Notes
Speeds	12-Speed	Requires Micro Spline hub.
Shifter	SL-M6100-R (Rapidfire Plus)	2-way release for faster shifts.
Brake Options	M6100 (2-pot) / M6120 (4-pot)	I-Spec EV compatible levers.
Chainset	FC-M6100 / M6120	170mm or 175mm lengths.
Rotor Choice	RT66 / RT64 / RT54	160,180,203mm options.
Bottom Bracket	BB-MT501 (Deore) / BB-MT800 (XT)	XT upgrade offers better sealing.
Chain	CN-M6100 12-speed	Includes Quick-Link connector.
Dropper Lever	Shimano SL-MT500-L	I-Spec EV; smooth cable pull.

Specification	Detail
Speeds	12-Speed
Shifter	SL-M6100-R (Rapidfire Plus)
Brake Options	M6100 (2-pot) / M6120 (4-pot)
Chainset	FC-M6100 / M6120
Rotor Choice	RT66 / RT64 / RT54
Bottom Bracket	BB-MT501 (Deore) / BB-MT800 (XT)
Chain	CN-M6100 12-speed
Dropper Lever	Shimano SL-MT500-L

Specification	Notes
Speeds	Requires Micro Spline hub.
Shifter	2-way release for faster shifts.
Brake Options	I-Spec EV compatible levers.
Chainset	170mm or 175mm lengths.
Rotor Choice	160,180,203mm options.
Bottom Bracket	XT upgrade offers better sealing.
Chain	Includes Quick-Link connector.
Dropper Lever	I-Spec EV; smooth cable pull.

Months	12	24
Purchase Cost	£215.00	£215.00
APR	11.90%	11.90%
Deposit %	10.23%	10.23%
Deposit amount	£22.00	£22.00
Loan amount	£193.00	£193.00
Pay per month	£17.08	£9.02
Total payable	£226.96	£238.48

Shimano Deore 1x12 Drivetrain Bundle - M6100/61200

Performance Insight: The "Pro-Value" Build

FINANCE OPTIONS

THE DETAIL

The Drivetrain Core

Braking & Rotor Options

SPECIFICATIONS