Aluminum alloy body, strong and firm, not easy to deform, resin guide wheel, no noise, effectively reduce chain friction.
Wide link design for accurate speed change and durability.
Accurate and reliable direction change, long service life.
Altus RD-M310 Mountain Bicycle Rear Derailleur Fit 7/ 8 Speed.
The dual servo device allows the rear dial to move according to the right path, keeping the rear dial guide wheel in the appropriate position relative to each flywheel piece, optimizing each speed change, and achieving more accurate SIS positioning speed change.
وصف
Metal body Main high-strength metal structure, more stable variable speed, more durable Speed-change line fine-tuning screw With variable speed fine-tuning screw, more convenient adjustment, more accurate variable speed H and L limit screws Easy adjustment, limit the position of the chain, to avoid falling off the chain Large guide wheel design The chains rotate more smoothly, reduces noise and enhances durability