Shimano Sora R3030 non-chainring guard model 39t 110mm 9-Speed Middle Chainring BLK

Shimano Sora R3030 (non-chainring guard model) 39t 110mm 9-Speed Middle Chainring Black. Sora R3000/R3030 9-Speed Chainring TECH SPECSColor BlackRing Position/Type MiddleTooth Count 39Drivetrain Speeds 9Chainring BCD 110 Shimano AsymmetricMaterial SteelDef