Upgrade Kit Gravel SHIMANO GRX Di2 RX825 2x12-Spd Hydraulic, Wireless, Upgrage Kit Only

• B.B. Parts MTB SHIMANO MTB-Others BB-MT501
• Rear Derailleur MTB SHIMANO Alivio RD-M3100SGS 9-Spd Long Cage
• Front Derailleur MTB SHIMANO Alivio FD-M3100-M 3x9 Mid Clamp Side Swing 34.9mm
• Cassette Sprocket MTB SHIMANO Altus CS-HG201 9-Spd 11-36T
• Chain SHIMANO Others CN-HG53 116L 9-Spd Super Narrow
• Disc Brake Assembly MTB SHIMANO Non-Series BR/BL-MT200 Hydraulic Front
• Disc Brake Assembly MTB SHIMANO Non-Series BR/BL-MT200 Hydraulic Rear
• Chainwheel MTB SHIMANO Altus FC-MT210-3 40x30x22x170mm 9-Spd w/o BB Parts (2-Piece)
• Shifter MTB SHIMANO Alivio SL-M3100 3x9-Spd Rapid Fire F/R

Option :

• Disc Rotor MTB SHIMANO TX RT10 160mm Center Lock
• Disc Rotor MTB SHIMANO MTB-Others RT26 160mm 6-Bolts