Caswynlife Single Chainring Bike Crankset 170mm Square Hole 40T 48T 52T With Chain Guard, For Road MTB Fixie Electric Bicycle Crank Arm Set(48T)

• [PACKAGE CONTENTS] 1 crankset single chainring crankarm set with 170MM length, black finish and approximate weight 700-750G; chainring size options 40T, 48T or 52T are available so you receive one complete crankset suited to your riding goal.
• [COMPATIBILITY RANGE] Designed as a replacement crankset for electric bikes, road bikes, MTB and fixie bicycles that use a square hole (square taper) bottom bracket, offering broad fit for many standard frames.
• [CHAIN GUARD PROTECTION] Built-in guard plate helps prevent chain drop and shields the chainring from knocks and debris, keeping your drivetrain more stable during city commutes and off-road rides.
• [GEARING & PEDALING CONTROL] Choose 40T for easier climbs, 48T for balanced , or 52T for higher speed; the 170MM crankarm length provides dependable leverage for training, commuting, and weekend rides.
• [SIZING REMINDER] PLEASE CHECK THE SELLER SIZE CHART FOR COMPATIBILITY WITH YOUR BIKE, NOT AMAZON'S SIZE CHART.

Description: * and *Made of - materials, *Used to replace electric bike，road bike,MTBbikes, fixie bikes part *design for square hole bike bottom,48T，52T larger chainring ，Fully meet your needs for speed *easy to use and install,good compatibility *With guard plate design to prevent chain drop and knock Specifications: type: bike crankset Color: black length： 170MM chainring： 40,48,52T weight： approx 700-750G Package included: 1x crankset