Shimano GRX RD-RX822-SGS Rear Derailleur - 12-Speed Direct Mount Long Cage Shadow Plus Design 51t Max Low MFPN=DROPOUT-31 4 ISO Width (mm) 61

4 ISO Width (mm) 61 ISO Diameter 559 / 26" MTN

Calipers are 74mm post mount to be used with applicable adapters

Gender/Age Youth Shoe Size (US) 4

}Wheels Manufacturing Grade 25 3/16" Loose Ball Bearing: Bottle of 150

Shimano GRX RD-RX822-SGS Rear Derailleur - 12-Speed Direct Mount Long Cage Shadow Plus Design 51t Max Low MFPN=DROPOUT-31 4 ISO Width (mm) 61With an integrated chain stabilizer Shimano GRX RD RX822 12 speed rear derailleurs feature an intergrated chain stablizer that delivers quieter shifting and more secure chain management in rough terrain. The chain tensioner has an ON OFF switch for easy wheel removal. Largest Cog 51 Rear Der Shifter Compatibility Shimano Road Rear Derailleur Mount Type 10x1 Standard Drivetrain Speeds 12 Weight 288 Chain Wrap Capacity (teeth) 41 Cage Length Long Max