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Description
Shimano 105 Goes Semi-Wireless Di2 With The 7100 Series
The Shimano 105 CS-R7100 & HG71012-Speed cassettes are key components of the new 105 12-speed Di2 drivetrain.
These cassettes have an 11-34/36t range, delivering a low gear combination that lets riders take on steeper slopes with greater control.
There is an optimized "sweet-spot" gear for maximum pedaling efficiency, and the new 105 cassette is compatible with 11 speed freehub bodies.
The new Shimano 105 12 Speed di2 groupset brings the benefits of semi-wireless electronic drivetrains to their workhorse line of components.
Pro level features are now available for every-day cyclists.
Features:
- 12-speed
- 11-tooth small cog for optimal efficiency
- Optimized "sweet spot" gears for pedaling efficiency
- Compatible with 11-speed freehub bodies
- 361 grams (11-34)
- CS-R7101-12 - 11-34t
- CS-HG710-12 - 11-36t
B-Stock - This product has one or more B-Stock units available. These units can be purchased at a discount (see option select). B-Stock units were returned from other customers and may have missing or damaged packaging materials. These units are otherwise as new. The full manufacturer warranty applies. Click Here for more information.
Specifications
Cassette Use: Road | |
Drivetrain Speed: 12-Speed | |
Cassette Type: Shimano HG | |
11-34 Tooth - CS-R7101 | Mfg PartNum: ICSR710112134 |
11-36 Tooth - CS-HG701 | Mfg PartNum: ICSHG71012136 |
Reviews
I bought the 11-36 version to use on my 8100 ultegra bike for a sub 1:1 climbing ratio. This is technically out of spec for the ultegra rear mech, but after a small b screw adjustment it is working without any issue. The ultegra cage is shorter, so maybe chain wrap could be an issue, but using the auto shift function prevents any extreme cross gears where chain length might be a concern. This 105 cassette does not have the HG+ teeth profile, but I honestly cannot tell any difference compared to my ultegra cassette while riding.
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