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Road Cranksets

Shimano Dura-Ace FC-R9200 Crankset

Defining the highest levels of success and performance in pro road cycling is the raison d'être for the continued development and refinement of Shimano Dura-Ace. Not a play for the lightest weight, sexiest look, or latest fad. Every generation must improve on the previous one, with real benefits at the highest echelon of the sport. It's true that some of these steps may be incremental, especially in the eyes of the uninitiated, but countless hours of engineering, computer and lab testing, as well as as real world action all serve to drive iterations during the R&D process. For 12-speed Dura-Ace R9200 Shimano has faced a true challenge- how to surpass the incredible performance of the 11-speed R9100 series components, which set new benchmarks for efficiency, shifting speed, and power transfer. The iterative development process generates what Shimano has deemed the "Science of Speed", and the Dura-Ace FC-R9200 Crankset not only carries this statement, but also delivers on the performance requirements required by Shimano to drive the new generation forward.

While much of the R9200 Crankset carries a construction process and resemblance to R9100, a more detailed examination which shows a new version of the spider arm design that has achieved an optimal balance of stiffness, strength, weight and rotational performance. This change moves away from asymmetric arm spider design, which has more impact on the Power Meter version, as well as the striking visual presentation, which is more muscular and geometric. The proven Hollowtech crankarm design keeps the unit as light as possible, while producing the stiffest crank and chainring interface available, and the familiar 24mm Hollowtech II spindle integrates the bottom bracket axle with the right crankarm for more stiffness and weight savings to achieve a high-dimensional balance. The rigidity of the crankset ensures pedaling efficiency throughout the pedaling cycle. The two-piece Hollowglide large chainring structure cuts weight yet maintains strength for better power transfer and quicker, more precise front shifting, while crucially being able to handle the power of the Di2 front derailleur under any chain angle or gearing combination.

The Dura-Ace crankset is now available in a 160mm arm length, reflecting the generational change to higher pedaling cadence and advanced bike fit systems that have demonstrated that shorter cranks offer the same or similar rider power output, greater overall efficiency in most cases, and also reflect the desire for greater ground clearance. With 160, 165, 167.5, 170, 172.5, 175, and 177.5mm lengths available, the ideal option for you is here. With the addition of a 12th cog to the cassette shifting has only gotten faster and more precise, if more technically challenging. Faster cadences yield faster shifts, and the Di2 only R9200-series components maximize this experience with stunningly quick and dead-perfect accuracy. To match the needs of powerful pros and serious enthusiasts who don't live in the hills, Shimano offer the R9200 crankset in a new standard 54/40T chainring option, as well as the most popular 52/36T set-up, along with 50/34T combination. Dura-Ace 12-speed brings three cassettes to the table, with 11-28, 11-30, and 11-34 options. For the first time a full Dura-Ace build delivers a 1:1 ratio with the 50/34T rings and 11-34 cassette, a must for today's higher cadence riders who do a lot of climbing. Many pro cyclists use this gearing in the high mountains for the same reason, as efficiency within a rider's optimal power output range is critical to maintaining speed, answering attacks, and spinning away from those who can't hold the pace.

Features

  • Updated, higher performing 12-speed Dura-Ace crankset that is more efficient and stiffer than every before
  • Drives two vital functions: transferring your pedaling effort into the drivetrain; and ensuring the fastest, most precise front shifting available
  • New driveside arm and spider design, with new 110mm BCD that further optimizes the Hollowglide 2-piece outer chainring stiffness
  • Hollowtech crankarms and spider, as well as 24mm Hollowtech II crank spindle for optimal power transfer
  • Shimano's BB-R9100 threaded external cup bottom bracket, or the SM-BB92-41B Press Fit version are the premium bottom bracket options
  • Q-Factor: 148mm
  • Chainline: 44.5mm
  • BCD: 110mm (specific design, and not compatible with 11 or 10 speed chainrings)
  • Arm lengths: 160, 165, 167.5, 170, 172.5, 175, 177.5mm
  • Chainring combinations: 54/40T, 52/36T, 50/34T
  • Weight: 690 grams (52/36T 170mm, listed)