This optional XLPower Rear Belt Tensioner adds improved tension at the rear pulley providing a more secure tail feel under the hardest of 3D flight, preventing any slipping under extreme loads. Suited for use with the XL520 and XL550 helicopters.
This product was added to our catalog on January 3, 2019
XLPower XLPower 520
XLPower XLPower 550
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