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Product Details

105 R7100 12-Speed Mechanical Disc Bike Groupset

Shimano105 revitalises road cycling with its revamped interface and high-quality 12-speed mechanical shifting. The ergonomic Dual-Control Levers cater to a variety of hand sizes, while the drivetrain's sub-1:1 gear ratio offers superb climbing capabilities.

Includes

  • Shimano 105 ST-R7120 hydraulic disc, flat mount calipers, left/rear and right/front
  • Shimano 105 FC-R7100 12-speed double chainset
  • Shimano CS-R7100 105 12-Speed Cassette 11 - 34T
  • Shimano SLX/105 CN-M7100 chain with quick link, 12-speed, 126L
  • Shimano 105 RD-R7100 12-speed rear derailleur
  • Shimano 105 FD-R7100 12-speed front derailleur, braze on, double
  • This groupset excludes a bottom bracket. If you require assistance with this please contact us. 

Features
  • New ergonomic Dual-Control Lever design
  • 12-speed gearing and low-climbing ratios
  • New piston design with 10% wider pad clearance
Specifications
Discipline Compatibility
Road
Family
Shimano 105
Intended Use
Endurance
Speed Compatibility
12-speed
Reviews
Rating 4.3 out of 5
4.3
Value of Product
5
Quality of Product
5
Rating 5 out of 5
Anonymous,
Verified purchaser
Rating 5 out of 5
Noagel,
Verified purchaser

I bought this groupset during the January sale and I’m very impressed with the lightness and the technology. It’s really great value for the performance and looks spot on! Sigma very helpful after initial availability confusion, and got it out to me asap. Very pleased all round.

Shipping & Returns

Free UK delivery on orders over £50. Orders are dispatched within 1-2 working days and typically arrive 1-2 working days later.

Return unused items in their original packaging within 30 days of delivery. Return postage is £3.50.

Q & A

4 questions answered

  1. Hi, Does this come with shifters, as it's not included in the text description but they are present in the photo? Thanks

    Asked by Rex

    1. Hi Rex, Yes, the shifters are included, the ST-R7120 dual control levers (mechanical shift, hydraulic disc) are part of the groupset. The only thing not in the box is the bottom bracket, which you'd add to match your frame. Many thanks Joe W

      Joe W

  2. Are rim brakes available for any of the groupsets?

    Asked by Arno (93 CORDOBA COURT)

    1. Hi there, Please contact the Sales team and they will look into this for you, Many thanks Joe W

      Joe W

  3. Does the groupset include the brake hoses and gear cables, or do you need to buy these separately?

    Asked by Haggis (Liverpool)

    1. Hi there, Yes this will, Many thanks Joe W

      Joe W

About Shimano

Shifting the way the world rides.

From a single Osaka workshop in 1921, Shimano has grown into the world's most influential component maker. The brand's relentless engineering — Dura-Ace, Ultegra, GRX, XTR — has shaped the way the world shifts, brakes and rides, on the road and off it.

Shimano's flagship groupset, Dura-Ace, has been the benchmark for top-level road components for more than five decades. Every refinement that lands on Dura-Ace eventually shapes the entire Shimano range, all the way down to entry-level drivetrains.