Shimano Fc Rx820 1 Crank Arm Silver/Black 172.5mm

Shimano Fc-rx820-1 Left Crank. Restore your gravel bike´s performance with the Shimano GRX FC-RX820-1 Left Crank Arm. Engineered for the rigors of mixed terrain, this genuine replacement part features HOLLOWTECH II technology for an optimal balance of low weight, stiffness, and durability. Experience efficient power transfer and unwavering reliability on gravel roads, singletrack, and tarmac. Its robust design ensures seamless integration and maintains the precise shifting you expect from Shimano, making it the definitive choice for dedicated gravel cyclists. Shimano GRX FC-RX820-1 Left Crank Arm (Y0SB98030)Restore your gravel bike´s drivetrain to peak condition or replace a damaged component with the genuine Shimano GRX FC-RX820-1 Left Crank Arm. As a crucial part of the benchmark GRX 820 series, this left-side crank arm is engineered specifically to meet the rigorous demands of modern gravel cycling, providing the perfect balance of low weight, stiffness, and durability for tackling unpredictable mixed-terrain adventures. Whether you´re navigating chunky gravel roads, smooth tarmac, or technical singletrack, this component ensures your power is transferred efficiently and reliably, ride after ride.This is the standard version of the left crank arm, designed for riders who prioritize simplicity, robustness, and proven performance without sensors for power measurement. It is a direct, authentic replacement part that guarantees seamless integration with your existing Shimano GRX FC-RX820-1 crankset, maintaining the precise engineering and flawless shifting performance you expect from Shimano.Key Benefits:* Optimized Power Transfer: Leveraging Shimano´s renowned HOLLOWTECH II technology, this crank arm features a hollow construction that dramatically reduces weight without sacrificing the stiffness needed for explosive acceleration and efficient climbing. Every watt of your effort is translated directly into forward motion.* Engineered for Gravel Dominance: As part of the GRX family, this component is purpose-built for the challenges of gravel riding. Its robust design ensures unwavering reliability and performance when riding over rough surfaces, providing the confidence to push your limits on any terrain.* Perfect Compatibility and Fit: As an official Shimano replacement part (Y0SB98030), this left crank arm guarantees a perfect match for your FC-RX820-1 right-side crank and 24mm bottom bracket. This eliminates any guesswork and ensures your drivetrain functions as a single, cohesive system.* Lightweight and Durable: Experience the advantage of a lightweight component that enhances your bike´s handling and climbing agility. The durable finish resists the scuffs and scratches typical of aggressive gravel riding, maintaining its aesthetic and structural integrity over the long haul.Main Features:* Features Shimano´s signature HOLLOWTECH II lightweight and rigid crank arm construction.* Authentic replacement component for the Shimano GRX FC-RX820-1 1x12-speed crankset.* Specifically designed and tuned for the demands of gravel, adventure, and cyclocross riding.* Anodized surface finish for enhanced durability and corrosion resistance.* Standard 24mm axle interface for broad compatibility with Shimano HOLLOWTECH II bottom brackets.This essential piece of your bike´s Cranks system is the definitive choice for dedicated Gravel cycling enthusiasts who demand authenticity and performance from their equipment.---Technical Specifications:* Brand: Shimano* Series: GRX 12-speed* Model: Left Crank Arm for FC-RX820-1* Part Number: Y0SB98030* Application: Gravel, Cyclocross, All-Road* Technology: HOLLOWTECH II* Power Meter Compatible: No (Standard version without sensors)* Axle Interface: 24mm* Available Crank Arm Lengths: 170 mm, 172.5 mm, 175 mm. tradeinn Bikeinn

172.5mm / FC-RX820-1 drivetrain layout supports efficient power transfer, stable pedalling and dependable chain engagement Rigid arm construction helps maintain alignment under load, giving riders a direct feel during climbs and accelerations L.H. Crank Arm Unit 172.5mm compatibility makes replacement planning easier for workshop builds, upgrades or routine drivetrain servicing Tooth configuration is tuned for smooth cadence changes, helping keep momentum across mixed terrain and varied riding speeds Durable finishing helps resist everyday wear, keeping the component suitable for regular road, gravel or MTB use