21,000lbs tow capacity; Long Jaw; Pivoting Head; Road shock motion and vibration absorbing technology After viewing product detail pages, look here to find an easy way to navigate back to pages you are interested in. “The Flex Air Pin Box unifies two of the best pin box technologies to provide users with an impressively smooth ride, helping to prevent costly damage that can be caused by road shock and vibrations.” The Flex Air Pin Box was featured in RV Pro for its ability to provide a smooth, enhanced fifth-wheel RV ride. Flex trail air is awesome! We love our solitude and have had very minimal issues until recently. Then add air to the new Flex Air Pin Box’s air bag. Flex trail air is awesome ! It gets inflated until a factory marked line is visible on the shock absorber. While it allows an impressive 90-degree turn with the truck, some stability on the highway is lost. Note: Place a spacer block under the rear portion of the pin box so that it can be positioned for installation. QR - 015: Standard Pin Box Measurement Guide. M15 Flex Air Pin Box; 18 - Fast Shipping and Great Prices at the PPL RV Parts Superstore. Use a helper to line the pin Honestly, we really can't tell a difference in towing. It also analyzes reviews to verify trustworthiness. See Affiliate Disclosure. You can still see all customer reviews for the product. The pin box doesn`t pivot in the hitch, but rather is locked into the truck portion. Most likely your MorRyde would have a part number like Mor/Ryde SPB72-1621LD which if so you can see the "1621" in the number which means the Flexair mentioned is the correct one. On my upgrades wish list for some time now has been a replacement pin box with built in shock absorption. Potholes, large cracks and long sections of under construction zones are a normal occurrence. Removed prior to trading in fifth wheel. As the air bag absorbs road shock and vibration, the oil shock absorber handles rebound action, dampening kickback and controlling chucking. The most comfortable towing experience. Prior to removing the pin box, I took a measurement from the bottom of the king pin to the ground. Reviewed in the United States on September 20, 2017. Electronic Gear and Gadgets For RVing – My 12 Must Haves, RVing through New Mexico in March 2012 – LYRV Throwback Video Series, First Visit to Big Bend National Park – 2012 Throwback Video, Walkabout Views after February Snowfall on Vancouver Island, BC, New Orleans, Louisiana February 2012 – LYRV Throwback Video Series, 10 Things that Help Us Winter in Our RV – Reviews & Updates, Nature's Beauty Thread - Post Your Pictures, Electronic Gear, Gizmos & Gadgets For RVing – 12 LYRV Must Haves. Item Number: N14-8696. Item Number: N14-8735. “The Flex Air Pin Box unifies two of the best pin box technologies to provide users with an impressively smooth ride, helping to prevent costly damage that can be caused by road shock and vibrations.” The Flex Air Pin Box was featured in RV Pro for its ability to provide a smooth, enhanced fifth-wheel RV ride. They can improve ride quality, increase control, create a tighter turning radius and create more room in … Once the Flex Air Pin Box was installed and the bolts snugged up the next step was to tighten them to the proper torque specification. See why and which other Lippert Pin Box worked perfect. Installation went smooth- make sure you measure and get the right one! There is a rubber compound in it that is supposed to help control chucking. Upgrade to the comfort of air. Trailair was the first to the market with air ride technology for 5th wheel RVs and still leads the way in innovative pin box technology. Lippert has several pin boxes to choose from and each is designed to solve a variety of ride problems. New Flex Air Pin Box combines our time-tested Trailair Air Ride technology with our Rota-Flex pivoting head to reduce fore to aft movement - 14.1665 However, on overpasses, the jerking was exaggerated and I could not find why. Reviewed in the United States on January 27, 2019. As long as the Mor Ryde pin box you have was designed to replace a 1621 Lippert pin box the Trailair Flex Air pin box part # LC369535 would fit and work well. This works well on smooth highways, but things can get a bit jarring when the roads get rough. Has anyone used these types of pin boxes on their toy hauler? Installation was easy once we figured out the right height of the bolt pattern. The Pin box itself it made well out of what seems to be very strong steel. Make sure replacement fasteners are the same grade and diameter as those removed for torque specifications on pin box bolts refer to manufacture’s specifications. Starlink Satellite Dish Internet – First Look, Setup & Test on the RV. It is a 16,000 pound trailer and I immediately noticed that we weren't getting the banging we normally got when passing over small bumps. Save $15.00 (10% Off) Add to Cart Online Exclusive. We travel from our summer home on Vancouver Island all the way to southern California to begin our meanderings in the South West desert regions. We weren't sure what the problem was until we saw the rubber compound laying in the bed of the truck. But that being said the best way to eliminate chucking is with a fifth wheel hitch that has a tight king pin-to-jaw contact. L05 21,000 GVWR Flex Air™ Pin Box By Trailair® Reese Sww-06 Sidewinder Locking Wedge, Used With B&W Fifth Wheel Hitches. 2015 38RL with MORryde IS, residential fridge, DW, washer and dryer, generator, and slide in slide. Review. You may have to register before you … Our 1 ton Ford F350 dually has pretty stiff rear springs so the sometimes intense vibrations can get very uncomfortable. Now it’s ready to take out for a test run and a recheck of the bolt torque after 25 miles or so. Another thought I had was to use my trucks tailgate to support the weight during install and using the trailer landing jacks to get it in place. If this is your first visit, be sure to check out the FAQ by clicking the link above. I do think it does a great job of protecting the trailer from hard jarring bumps and rough roads. Extra Stuff = Mor-Ryde pin box, PullRite SuperGlide, Firestone Air Bags, TTT Tow Mirrors, Prodigy BC New Toy = 2010 BC 3250TS w/ lots of BH options and custom mods added. QR - 039: Trailer Tongue Weight Load Ratings. What a difference- We have towed 1500 miles in the last couple of days- ride is perfect. Air Ride 5th Wheel Pin Box Long Jaw, 21K - Lippert Components Inc - 158778 - 5th Wheel King Pin Boxes The Ultimate RV Show 10 Week National Tour begins NOW! Lippert Flex air pin box two years old . Are these type of pin boxes comparable with the B&W Companion hitch? Quick facts. Reviewed in the United States on December 24, 2016. Reviewed in the United States on July 29, 2017. Large cracks in the cement roadways and bridges can cause harsh jolts and uncomfortable chucking ( a back and forth jerking or tugging motion). Trailair Flex Air 5th Wheel Pin Box - Lippert 1621 - 18,000 lbs - LC328492 etrailer.com cost is $1,099.99 free shipping