XTR M9200 12 Speed Cassette Kid's Bikes Front and rear rack mounts

Front and rear rack mounts are also standard

Accelerometer

Flattop Chain Guide N/A Rear Derailleur SRAM XO Eagle AXS

it has a magic feel and is incredibly tough

XTR M9200 12 Speed Cassette Kid's Bikes Front and rear rack mountsCS M9200 represents the evolution of HYPERGLIDE + shifting. New cassette cog tooth profiles improve shifting under high load while remaining smooth, fast, and durable. The 10 51t offering provides 510% of range, making it the most versatile cassette in the XTR family. The 9 45t offering provides 500% of range, optimizing it for compact drivetrains with limited gear sacrifice. It is also MICRO SPLINE compatible, and built with steel, titanium, and