This week, July 27 to the 31st, we have all hands on deck shipping a big backlog of frames and won't be able to answer the phone as frequently as we usually do. Sending an email is a better way to get in touch. Check the staff directory in the "About" section below for contact info.

We're offering curbside pick ups for online orders but we still aren't open to the public for browsing. Select the pickup option at checkout, and give us a call when you're ten minutes out so we can have it ready for you.

Derailer - Rear - Shimano, Acera T3000

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Product Details



Smooth & light shifting operation >> Double servo-panta mechanism
Wander freely >> Less chance to hit on obstacles >> Lower profile than current RD-M390
Quick and easy installations >> Pre-assembled inner cable fixing bolt
Smooth, long-lasting shifting >> Stainless steel adjustment bolts
Total capacity: 45T
Accurate and dependable performance


Cage Length SGS/Long
Total Capacity 45T
Max Front Difference 22
Cable Adjuster X
Mount Direct attachment (conventional)
Number Of Pulley Teeth 11
Series Acera
Generation T3000
Max Low Sprocket 34
Min Low Sprocket 28T
Top Normal Spring Type Double Servo
Rear Speeds 9
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