59mm (fit with DURA-ACE 9000; ULTEGRA 6800). Monocoque construction,Full Carbon 3K finish. Made of Toray T700 high modulus carbon fiber. Pulley bolt hole to Pulley bolt hole.
J&L Rear Derailleur Carbon Inner Plate/Short Cage fit SHIMANO ULTEGRA 6700/6770
J&L Rear Derailleur Carbon Inner Short Cage fit SHIMANO DURA-ACE 7900/7970-3g
J&L Rear Derailleur Carbon Inner Short Cage fit SHIMANO 105 5700
Shimano Deore XT Di2 RD-M8050 Rear Derailleur - 11 Speed - Suitable for Shimano ebike
5 6 7 Speed Rear Derailleur TZ Saiguan , works with SHIMANO 15, 18, 21 speed
SRAM GX 1x11 Spd Force1/Rival1 Rear Derailleur Pulley+Inner Cage Kit Medium/Long
