Fixed Gear Crankset 144BCD 49T Single Speed Bike Crank Set Hollow Integrated Aluminum Alloy for Track Racing(with Bottle bracket)

Details

• Optimized for Fixed Gear: Designed specifically for single-speed track bikes with a 49T chainring and 144BCD, tight chain engagement and smooth power transmission for sprinting.
• Lightweight Hollow Design: Features an integrated hollow crank structure made from 7075 aluminum alloy, significantly reducing unsprung mass for rapid acceleration and effortless steering.
• High-Strength Construction: CNC machined from for premium aluminum alloy to maintain for rigidity under high-power pedaling, minimizing deformation during intense racing or daily commuting.
• Precise Fitment: Engineered for 1/8 inch chains common on for fixies, this crankset offers reliable performance for urban riders and track cyclists seeking a responsive ride.
• Package Options: Available as a standalone crankset or with a bottom bracket; easy installation for most bicycles; please check compatibility before purchasing.