Spare part: Shimano Ultegra Di2 RD-R8050

Part No. 6 in the exploded view.

All Shimano Dura-Ace Di2 RD-R9150 11-speed rear derailleur spare parts:

• No. 1: Y5ZV98010 – Rear derailleur hanger
• No. 2: Y5ZR69000 – Rear derailleur hanger axle
• No. 3: Y5ZV98020 – Tension spring adjustment screw
• No. 4: Y5ZV98030 – Stop screws
• No. 5: Y5PU13100 - Tension spring
• No. 6: Y5PU130T0 - Tension spring seal
• No. 7: Y5ZV98040 – Outer SS chain guide
• No. 8: Y5ZR98010 – Set of sprockets
• No. 9: Y5ZV98050 – Chain guide plate SS, inner
• No. 10: Y5ZV98060 - Derailleur pulley screws

Shimano Ultegra Di2 RD-R8050 Rear Derailleur Spare Parts:

• No. 1: Y3HR98010 - Axle unit for rear derailleur hanger
• No. 2: Y3HR00027 - Axle for rear derailleur hanger
• No. 3: Y3HR98020 - Adjustment screw for tension spring
• No. 4: Y3HR98030 - Stop screws, complete
• No. 5: Y5PU13100 - Tension spring
• No. 6: Y5PU130T0 – Sealing ring for tension spring
• No. 7: Y3HR98040 – Outer chain guide plate SS, complete
• No. 7: Y3HR98060 – GS outer chain guide plate, complete
• No. 8: Y3E998010 – Set of shift rollers
• No. 9: Y3E906000 - SS inner chain guide plate
• No. 9: Y3HR00040 - Chain guide plate GS, inner
• No. 10: Y3HR98050 - Derailleur pulley bolts

Shimano GRX Di2 RD-RX817 11-speed rear derailleur spare parts:

• No. 1: Y3FC98010 - Axle unit for rear derailleur hanger
• No. 2: Y3E958000 - Axle for rear derailleur hanger
• No. 3: Y3HT98020 - Complete derailleur housing
• No. 4: Y5Y198070 - Screws for derailleur housing
• No. 5: Y3HT98030 - Derailleur housing + cap
• No. 6: Y5ZN00031 - Seal for derailleur housing
• No. 7: Y3HT98040 - Stabiliser unit
• No. 8: Y3HT98050 - Cam unit
• No. 9: Y3HT98060 - Control lever unit
• No. 10: Y3HT98070 – Shift shaft unit
• No. 11: Y3E998040 – Adjustment screw, complete, for shaft unit
• No. 12: Y5ZN98060 – Stop screws, complete
• No. 13: Y5PU130Y0 – Rubber sleeve for Di2
• No. 14: Y5PU13100 - Tension spring
• No. 15: Y5PU130T0 – Seal for tension spring
• No. 16: Y3HT98080 – Outer chain guide, complete
• No. 17: Y3E998010 - Set of derailleur pulleys
• No. 18: Y5ZN00080 – Inner chain guide
• No. 19: Y3HR98050 – Shift roller screws
• No. 20: Y04121000 - Special grease for stabiliser

Shimano XTR Di2 RD-M9050 11-speed rear derailleur spare parts:

• No. 1: Y5PU98010 - Axle unit for rear derailleur hanger
• No. 2: Y5PV15000 - Axle for Direct Mount rear derailleur hanger
• No. 3: Y5PU98020 - Complete derailleur housing
• No. 4: Y5Y198070 - Screws for derailleur housing
• No. 5: Y5PU98190 - Derailleur housing + cap
• No. 6: Y5PU130V0 - Sealing ring for derailleur housing
• No. 7: Y5PU98030 - Stabiliser unit
• No. 8: Y5PU98040 - Cam unit
• No. 9: Y5PU98080 - Gear lever unit
• No. 10: Y5PU98050 - Shift shaft unit
• No. 11: Y5PU98060 – Adjustment screw, complete, for shaft unit
• No. 12: Y5PU98070 – Stop screws, complete
• No. 13: Y5PU13100 – Tension spring
• No. 14: Y5PU130T0 – Sealing ring for tension spring
• No. 15: Y5PU98090 – GS outer chain guide plate, complete
• No. 15: Y5PU98100 – Outer SGS chain guide plate, complete
• No. 16: Y5X028200 - Stop pin for chain guide plate
• No. 17: Y5PV98160 - Set of shift rollers
• No. 18: Y5PU09100 - GS inner chain guide plate
• No. 18: Y5PU10100 - SGS inner chain guide plate
• No. 19: Y5XX98130 – Shift roller screws
• No. 20: Y5PU130Y0 - Rubber sleeve
• No. 21: Y0412080A - Special grease for stabiliser

Shimano Deore XT Di2 RD-M8050 11-speed rear derailleur spare parts:

• No. 1: Y5ZN98010 - Axle unit
• No. 2: Y5ZN00023 - Axle derailleur hanger
• No. 3: Y5ZN98020 - Housing unit
• No. 4: Y5Y198070 - Housing fixing screws
• No. 5: Y5ZN98030 - Complete housing - Sold out
• No. 6: Y5ZN00031 – Housing seal
• No. 7: Y3GF98040 - Stabiliser unit
• No. 8: Y3E498040 - Cam unit
• No. 9: Y5ZN98040 - Gear lever unit
• No. 10: Y5PV98060 - Shift shaft unit
• No. 11: Y5ZN98050 – Tension spring adjustment screw
• No. 12: Y5ZN98060 – Stop screws, complete
• No. 13: Y5PU13100 – Tension spring
• No. 14: Y5PU130T0 – Tension spring seal
• No. 15: Y5ZN98070 – Outer GS chain guide plate, complete
• No. 16: Y5RT98120 – Set of shift rollers
• No. 17: Y5PU09100 – GS inner chain guide plate
• No. 18: Y5V598140 - Shift roller screws
• No. 19: Y0412080A – Special grease for stabiliser
• No. 20: Y5PU130Y0 - Rubber boot

Herstellerinformation: SHIMANO INC., 3-77 Oimatsu-cho, Sakai-ku, Sakai-shi, Osaka 590-8577, Japan, www.shimano.com | EU contact: Shimano Europe BV, High Tech Campus 92, 5656 AG Eindhoven, The Netherlands, www.shimano.com