Shimano GRX RD-RX820 Rear Derailleur - 12-Speed Direct Mount One Spec Shadow Plus Design 36t Max Low Files & Reamers model 3-pawl hybrid hubs description

model 3-pawl hybrid hubs description 370 ratchet LN 18t upgrade kit - steel HG 8-11 FH

Spoon 28-20 RimSpecifically designed for junior 20" MTB's

}Surly Steamroller Decal Set - White

Spring Weight 425 Material Steel Stroke (ins) 2

Centerslick tread pattern minimizes rolling resistance

Shimano GRX RD-RX820 Rear Derailleur - 12-Speed Direct Mount One Spec Shadow Plus Design 36t Max Low Files & Reamers model 3-pawl hybrid hubs descriptionShimano GRX RD RX820 Rear Derailleur 12 Speed Direct Mount One Spec Shadow Plus Design 36t Max Low. The Shimano RD RX820 rear derailleur is compatible with 11 34t and 11 36t 12 speed cassettes providing a wide gear range so you can spin a comfortable cadence no matter the terrain type. This rear derailleur also features an integrated chain stabilizer that delivers quieter shifting and more secure chain management during rough rides. The chain