At Polygon, we believe every ride is a journey of self-expression and creativity. The Polygon Rudge BMX is engineered to deliver just that—grabbing the crossbar and spinning the handlebars, balancing in various positions, and pulling off a backward flip in midair. Its light and responsive frame gives you the control to showcase your style and turn heads in the park. Whether you’re dialing in tricks, ripping through your local spots, or taking on flatland, the Rudge is your ticket to a ride that makes a bold statement. Specifications Frameset HIGH-TENSILE STEEL FREESTYLE FRAME Rear Shock RIGID FULL STEEL, STRAIGHT 1-1/8" THREADLESS Drivetrain Pedal PP PEDALS W/PP CAGE & REFLECTOR Crank ALLOY 25T FOR 19mm AXLE BB MID TYPE SEALED BEARING W/ SPLINE 8Tx19mmX150mm AXLE & ADAPTER 23.8mm TO 19mm Cassette FREEWHEEL 14T Chain KMC C-410 Cockpit Saddle POLYGON SADDLE, STEEL ø7mm W/ CLAMP Handlestem ALLOY, EXT: 50mm, BB: 22.2mm, R/D: 0degree Seatpost STEEL, 25.4 x 200mm Heaadset FEIMIN FP-H801S EXTERNAL CUP THREADLESS, EC 34/28.6 | EC 34/30 Handlebar STEEL, W: 670mm, BB: 22.2mm, R/D: 170mm Wheel & Tire Wheel Set ALLOY SINGLE WALL Rim F: ALLOY SINGLE WALL AV 406x2, 32H / R: ALLOY SINGLE WALL AV 406x2, 36H Hub F: ALLOY 3/8x100mmx150mm 32H W/ FLANGE NUT / R: ALLOY 3/8x112mmx170mm 36H W/ WASHER & FLANGE NUT Tire KENDA KID BLOCK K1040 20"x2.25" (406-56) AV Wheel Size 20" Spokes F: J-BEND 14G STEEL NDS:188mm DS:188mm NIPPLE:14Gx12mm / R: J-BEND 14G STEEL NDS:186mm DS:186mm NIPPLE:14Gx12mm Brake Brake Lever ALLOY LEVER Brake Caliper ALLOY U-BRAKE All Size Height (cm) 140-165 Seat Tube Length (A) 209 Seat Tube Angle (B) 71 Effective Seat Tube Angle (C) 71 Head Tube Length (D) 100 Head Tube Angle (E) 74.5 Effective Top Tube (F) 525 Bb Height (G) 300 Bb Offset (H) 40 Chainstay Length (I) 340 Wheelbase (J) 885 Frame Reach (K) 401 Frame Stack (L) 361 Standover Height (M) 516