Updated with weights and pricing January 2017
Shimano has lifted the lid on the latest versions of its flagship Dura-Ace mechanical and electronic road groupsets. Officially known as Dura-Ace R9100 (mechanical) or R9150 Di2 (electronic), the groups push several firsts for Shimano on the road side of things, including the options of an integrated power meter, hydraulic disc braking and the migration of Shimano’s clever synchronised shifting technology.
- Shimano Dura-Ace R9100 first ride review
- Shimano Dura-Ace vs SRAM Red: groupsets compared
- Stages Dura-Ace 9000 power meter review
Let’s clear a couple of things up before we move on. Dura-Ace will continue to be available in electronic (Di2) and mechanical options, and both will remain 11-speed. Along similar lines, Dura-Ace Di2 will not be wireless in a traditional sense, although it does feature some wireless functionality, which we’ll explain in more detail below. Also, Shimano has released US pricing, but no UK pricing yet.
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Numerous configurations mean that regardless of whether a rider wants disc or rim brakes, mechanical or electronic shifting, or the option to run a TT handlebar, the compatibility is now there — and all at the Dura-Ace level instead of the previous non-series options for hydraulic brakes.
Power meter inside
Dura-Ace’s latest Hollowtech II crankset is available with (FC-R9100-P) or without (FC-R9100) a power meter and in a wide variety of gear options and with seven crank arm lengths ranging from 165 to 180mm. The new crank weighs a claimed 621g and is priced at $543. Shimano hasn't yet disclosed a price or weight on the power meter.
To the untrained eye, the power meter version is difficult to distinguish from the regular crankset. Look closely at a power meter-equipped example and you’ll notice a slight lump sitting inside the four-arm spider on the driveside crank. This is the ‘brain’ of the system, while strain gauges are placed in both crank arms.
Gear options
- FC-R9100 (non power-meter) 50-34t / 52-36t / 53-39t / 54-42t / 55-44t
- FC-R9100-P (with power-meter) 52-39t, 52-36t
Claimed weights
- 609g (50-34t)
- 621g (53-39t)
- TBA for power-meter version
Disc brake debut
For those who don’t want discs
Electronic shifting is now synchronised
New wireless functionality
For those who prefer cables to wires
All-new wheels
Pedals
Weights & Pricing
Shimano Dura-Ace R9100 US prices and complete group weights
- Shimano Dura-Ace R9100 mechanical group (2,007g w/out cables, 2,097g with): $2,029
- Shimano Dura-Ace R9120 mechanical/hydraulic group (2,355g w/out cables, 2,445g with): $2,354
- Shimano Dura-Ace Di2 R9150 electronic group (2,051g): $3,046
- Shimano Dura-Ace Di2 R9170 electronic/hydraulic group (2,389g): $3,137
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