Shimano is one of the most reputable brands in the bicycle industry, known for producing high-quality bicycle components. Shimano was founded in 1921, and since then has gained great recognition in the bicycle industry thanks to its innovation, product quality and wide range of products. Shimano is revered by cyclists around the world, not only for the quality of its products, but also for its contribution to the sport of cycling itself. It is a brand that has long maintained its position as a leader in the bicycle industry.

Shimano GRX FC-RX610 40T 1x12-speed 172.5mm crank
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• Manufacturer: Shimano
• Application: Gravel, Cyclocross
• Group: GRX
• Model: FC-RX610-1
• Gearing: 40T
• Front Transmission: 1-speed
• Rear transmission: 12-speed
• Compatible chain: 12-speed HG
• Crank spacing: 151mm
• Crankwheel diameter: 110mm
• Slide body width with thread: 68 / 70mm
• Chainline: 49.7mm
• Recommended pressfit bottom bracket: SM-BB72
• Recommended BSA bottom bracket: SM-BBR60

Shimano GRX FC-RX610 1x12-speed 172.5mm crank - A specialized bicycle crank that is designed with gravel bikes in mind, focusing on versatility and performance on a variety of surfaces. It's designed for single-speed (1x12-speed), which means it has only one bicycle tooth at the front and twelve gears on the cassette at the rear, allowing for smooth shifting on rough terrain. Its design is based on a two-piece construction, which provides adequate strength and rigidity with minimal weight. It works with a 12-speed HG chain and has 40 teeth on the crown (chainring), which can be useful for both road and dirt trails. The Shimano GRX FC-RX610 crankset is an ideal choice for gravel cyclists who are looking for gear that can handle the rough terrain and variety of trails typical of gravel riding.

• The 10-45T and 10-51T cassette options support a variety of riding styles.
• Optimum gear ratios for diverse terrain and riding styles.