• 5/6/7-speed rear derailleur • Highly affordable and reliable • SHIMANO Equivalent RD-TY21 / RD-A070 • 301 grams [more]
• 5/6/7-speed rear derailleur • Highly affordable and reliable • SHIMANO Equivalent RD-TY21 / RD-A070 • 301 grams [more]
This is the indexed ratchet needed for converting Campagnolo 11-speed rear derailleurs with a 27-tooth maximum tooth capacity to a 29-tooth maximum tooth capacity to work with 12-29 cassettes. [more]
- Prevents chain derailment when shifting to inner ring - Adjustable hose-type clamp fits 1-1/8" to 1-3/8" seat tubes [more]
- Longer B-screw needed when using 40t or 42t cog with most Shimano derailleurs [more]