Chase BMX started with the RSP 1.0 frame that Connor Fields rode from Day 1. Each time we updated the frame, we took the feedback from Connor, then Joris, and other Pro riders we sponsored. The RSP 5.0 is the culmination of the refinements and upgrades to make it our best Alloy frame ever.

The Chase RSP 5.0 Frames feature Tapered Headtube (Expert XL and Larger sizes), an Aero Seat Post tube, Enclosed Rear dropouts, Press Fit Bottom Brackets (Expert XL and Above), Triple and Double Butted tubes, Hydro and Muscle formed 7005 T6 Premium Ultralight tubing. RSP 5.0 Frames now feature a new, internal cable routing from the Head Tube, through the Down Tube & Bottom Bracket, and exits out of the Chain Stay (Expert XL and Larger), and for the Mini – Expert, the cable exits out of the bottom of the down tube.

All Chase RSP 5.0 frames are Disc Brake only designed frames. The dropouts were restructured to offer better clearance for a wide array of disc brake calibers, improving the overall braking performance, and now compatible for both post and flat mount disc brake system. (Disc Adapter kit sold separately)

The Chase RSP 5.0 Frame is now offered in a OS20 frame size option with refined geometry for riders wanting to use OS20 wheels, forks, and tires. OS20 uses the oversizes rims, tires, and forks to give larger riders a more comfortable ride as well as experience all the benefits of OS20.


  • Alumium 7075 T6 frame (Premium Ultralight).
  • Double butted hydroformed ​​​​​top tube.
  • hydroformed triple butted Down tube.
  • Muscle forming rear stays
  • New CNC machined dropouts
  • Internal Brake Housing routing - All new for all frame sizes -
  • Integrated Headtube 1-1/8" (Mini, Junior and Expert Only)
  • Integrated Tapered Headtube 1-1/8" - 1.5" (Expert XL and Above sizes)
  • Euro BSA 68 (Mini, Junior and Expert Only)
  • Press Fit BB 86 (Expert XL and Above sizes))
  • 3/8" (10mm) closed dropouts with integrated tensioners

RSP 5.0 Requires to use a rear hub that has removable axle bolts due to the enclosed rear dropouts.
RSP 5.0 Frames are made exclusively for Disc Brakes and Require an adapter to do so. Both (Post and Flat mount) Elevn Disc Brake adapter was designed to work correctly with the frames, but other brands may work.
OS20 Frames require a OS20 fork for correct frame geometry and front tire clearance -

20" : Mini, Junior, Expert, Expert XL, Pro, Pro+, Pro XL, Pro XL+, Pro XXL, Pro XXL+, Pro XXXL, OS Pro XXL, OS Pro XXXL
24" : Cruiser Pro, Cruiser Pro+

Included with RSP 5.0 Frame:

  • Chain Tensioner & Bolts.

Not included with Frame and Sold Separately:

  • Aero Seat Post Clamp
  • Aero Seat Post
  • Disc Brake Adapter
  • Brake Housing

Brand Chase BMX
Shipping Weight 4.0000kg
Shipping Width 0.200m
Shipping Height 0.360m
Shipping Length 1.100m
Shipping Cubic 0.079200000m3

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