★ Key Takeaways
2 Answers. Show Activity on This Post. a Derailleur for Your Mountain Bike Should Match the Specifications on the Original Derailleur. That Is, While It Doesn't Need to Be the Same Model of Derailleur, It Does Need to Be the Same Brand, in Almost Every Case.
Looking for details on Does Any Derailleur Fit Any Bike? Discover accurate answers in this breakdown.
2 Answers. Show Activity on This Post. a Derailleur for Your Mountain Bike Should Match the Specifications on the Original Derailleur. That Is, While It Doesn't Need to Be the Same Model of Derailleur, It Does Need to Be the Same Brand, in Almost Every Case.
Frequently Asked Questions
