20 inch 451 disc brake 650B/27.5er and you get the Disc

and you get the Disc Road Bike A9

It won't waste your much time to find suitable replacements when you need a maintenance

25—3” (including 29+)

If you prefer the seat post with 15mm offset

20 inch 451 disc brake 650B/27.5er and you get the DiscSpecification Material 100% Carbon Fiber Toray T700 Model 20 451 Size 20 inch OD 461mm Width 25mm Depth 48mm Finish 3K Twill Glossy Profile Tubeless Spoke 3S Hub Size Front: 9x100mm Rear: 10x135mm Use for BMX Folding Road bike Brake Type Disc Brake (6 Bolts) Rear Wheel Cassette Compatibility 9 10 11 Speed Weight 3K Twill Matt: Front: 600+ 15g Rear: 729+ 15g Total: 1329+ 30g Weight Limit 130kg Brake Surface No Brake Surfae Recommended Tyre Size 20" x 1