Chase ACT Frames feature UD Carbon Fiber, one of the highest tensile strength fibers and is the ultimate type of Carbon to be used for a BMX frame. Tensile strength is the amount of force needed to cause the fibers to breakdown, while the tensile modulus is a measure of the carbon fiber’s stiffness. We exclusively use the UD Carbon when building the ACT Frames to make sure it is of the highest quality. Its not only stronger than most strands of Carbon Fiber, but is also lighter.
Chase ACT and RSP Frames feature the Aero seat post tube, seat post, and seat post clamp into BMX racing. This is to not only to help gain fractions of a second on the track with improved aerodynamics, but the Aero tubes also offers a slightly stiffer feel. We know BMX bikes don’t need to go fully aero testing into a wind tunnel, but when races are won or lost by fractions of a second, every advantage will help.
All Chase Frames feature Muscle Forming for Chain and Seat Stays, a technique to give the back end of the ACT and RSP frames the stiffness and design shape we wanted and needed for optional design a special mold and process were needed to let us build the ultimate frame. Used with Carbon Fiber or Alloy to do just that, while letting us design the exact shape, design, and thickness to offer the optional designed back end on the Chase frames.
For Chase ACT and RSP frames, we have designed them to be able to take the extra force created by using a disc brake and disc brake mount. The Dropouts, as well as the seat and chain stays need to be designed with a Disc brake in mind to give you the extra strength and clearance needed for disc mounts and the disc brake Caliper as well, while still be able to use the entire length of the drop out area.
Born from some of the best alloys for building BMX race bikes, our special 7005-T6 SpeedLite alloy is the perfect blend for our Hydroforming process, giving our RSP frames the core strength needed to produce unmatched speed on the track, while keeping the overall weight of the frame down to a minimum.
Chase feature the triple butting on our line of RSP frames. A triple-butted tube means it has three different wall thicknesses along its length. Chase uses this technology to reduce the amount of material used when building the RSP frame, decreasing its weight by 15% compared to last years frame tubes used to construct the frame. Lighter where it can be and stiffer where it needs to be means no excess weight on the bike that gives you an advantage with the RSP 5.0 frame and against the completion.
Chase RSP frames use tapered tubing to offer you the most durable, yet light weight products, to help you achieve optimum results on the BMX race track. Our tapered items, use multiple thicknesses in the same tube, so the tube can be reinforced where needed with precision to help reduce stress areas where needed and lighten up the areas that don’t require extra materials. In aluminum the result are tube walls that eliminate stress points, boosting strength, reducing weight and improving fatigue life. The advantage is clear : Tapered tubes enhances strength and durability, at less weight.
Hydroformed tubes have two main advantages. First, the narrow axis is a flatter surface, which means more surface area to carry the load, so it is stiffer & stronger across the minor axis. Secondly, the deeper axis is stiffer since the stiffness varies to the cube of the diameter, stronger to the square. When using an oval shaped tube on a typical BMX frame it helps reduce flex but only in one direction, but on the Chase frames, the tubes are oval in both directions in the main flex areas and these tubes help reduce flex in both main directions.
Chase Frames use a Integrated Tapered Headtube. Tapered head tubes offer a combination for the bearing sizes. Our tapered head tubes have a 1-1/8” upper diameter to 1.5” lower diameter. this allows you to run a tapered steer tube fork, or use a full 1-1/8” fork steer tube, with the offered 1.5” lower bearing, when the headset has an optional 1-1/8” to 1.5” fork race option.
Chase Frames use a Press Fit style Bottom Bracket tube. Press Fit BB are a simple and easy way to install a Bottom Bracket, where the Bottom Bracket you supply for your frame has the Bearings in cups and simply press into the frame, eliminating the chance of damaging BB threads, with the traditional Euro BB. The BB is usually lighter and easier to install and remove as well.
Chase Frames feature an Fully enclosed, Extra long (2.3″ or 60mm) axle area slot, with reinforced stainless steel plates, 20mm drop outs with removable steel plate inserts to accommodate 20mm, 15mm or 10mm rear axle hubs. The Enclosed system also houses 2 different Chain tensioner systems, an Internal system with built-in alloy tensioner, or external Chain Tensioner system, allowing you to use the full length of the dropout.
While each rider is unique, Chase has developed Bio Fit sizing for our frames to offer riders the ultimate size options for BMX racing. The sizing used for the Chase line has been carefully designed to give riders the optimum power output in the size range offered. Our commitment to details and offering many size options, gives you a custom fit BMX frame, that you can buy right at your local Chase BMX Dealer.
Chase Frames incorporates the Integrated headset system on all of our frames. Simply put, It is a bicycle frame, fork and bearing system designed to eliminate the need for a headset cup. To integrate means to combine and hopefully to simplify. What has been integrated by the integrated headset? The bearings now rest inside the frame instead of inside pressed-in cups, making it easier for headset installation, helping create less maintenance on your race bike, all while making the front end stiffer and the overall bike lighter.
BSA or more commonly know as a “Euro” Bottom Bracket refers to the tread in type of BB, using either a Internal or External Bottom Bracket with a 68 or 73mm BB shell with 1.370/1.375″ x 24 TPI threads and a left hand thread on the drive side cup. This is now considered to be a standard threaded bottom bracket shell or bottom bracket. We use the BSA Threaded BB on both the earlier RSP frames, where a PF or Press Fit BB, with no treads is used on our ACT Carbon Frame.
Chase frames feature the CNC machining process to produce out 3D Modulus Dropout and small parts of RSP frames. Using the CNC process allows us to design parts that are specifically built to work the best with our proprietary frame tubes, giving us another way to control the overall weight and strength – flex factor on the frames, to give you, the best ride and feel from our complete bikes. Precision machining enhances the beauty and craftsmanship ship of all frames offered from Chase.
Chase Frames feature Internal Cable Routing thru the top tube, giving you the factory look, as well as providing protection for the brake cable and graphics, since the cable does not rub against the frame.