Ace Fitness

Splined, hollow axle bottom bracket for the Dura Ace (M7700) cranksets. 109.5mm spindle. Specify Model: English or Italian.

The new Dura-ace 10 speed cassette is built to provide the best, most precise shifting imaginable. Designed to work with the 9-spd freehub, it is only 13 grams more than its 9-spd counterpart. The titanium sprockets have a special surface treatment increases durability by approx. 30%, making for a ...

The same strong, rigid, light hollow crank arm as the double Dura-Ace crank. Chainrings: 53-39-30T. BCD: 130mm/92mm. Forged aluminum arms, nickel-plated aluminum chainrings. Requires 9-speed compatible chain. Wt: 681g.

The most advanced Cassette on the market. A good balance of lightweight and durability, the aluminum alloy carrier holds up to 4 titanium cogs, the balance are nickel plated to extend wear. Average weight 173 g.

Designed to combat flex and supply more power to the rear drive, the Dura-Ace rear hub incorporates an oversized hub body, stiffer spoke flanges and an oversized 15-mm axle with a durable, lightweight aluminum freehub body. All in all, the Dura-Ace rear hub increases stiffness while maintaining ...

This new design answers the demands of professional riders ? wider, more comfortable platform, enhanced entry and release mechanism, wider binding system, and a whopping 50 grams lighter than the last generation. Includes SPD-SL cleats. Wt: 248g/pr.

Designed to combat the flex created in today's carbon forks, the Dura-Ace front hub incorporates an oversized hubs body, stiffer spoke flanges and an oversized 15-mm axle. All in all, the Dura-Ace front hub increases cornering stiffness, while maintaining speed, thanks to fast rolling low friction ...

Dura Ace goes 10speed! Improved bearings and an upgraded finish, works with 9 speed systems too! 180g

Lightweight wide link design is more rigid and durable, to provide you with the most accurate and quickest shifting around. Compatible with both Shimano 9- and 10-speed systems, this derailleur's design is centered on providing the rider with the most precise shifting available.

Old school style, new school technology. 10-speed/rear double or triple/front compatible bar end shifters. Wt.: 178g.