RockShox Monarch Plus RC3 DebonAir Rear Shock 216x63 8.5x2.5. Brand new, never installed or ridden in any way. 216 x 63 (8.5 x 2.5). Unlike a dirt-bike, the new Monarch Plus rear shock has no rev-limiter.Because with its fusion of the Monarchs exemplary light weight with an all-new Solo Air system, and a damper design similar to the Vivid Air, the Plus will have you bombing all-mountain trails like it was born to downhill. So it might be time to look at some four-piston brakes for your steed. The item "RockShox Monarch Plus RC3 DebonAir MTB Rear Shock 216x63 8.5x2.5 New" is in sale since Thursday, June 24, 2021. This item is in the category "Sporting Goods\Cycling\Bicycle Components & Parts\Rear Shocks". The seller is "crimsonstallionsales" and is located in Santa Ana, California. This item can be shipped to United States, Canada.