The all new CHASE Edge is a race ready BMX machine, ideal for riders ready to get serious about BMX racing and take it to the next level.Just when you didn't think it was possible, the new Edge has been improved, as now it is equipped with Shimano Hydraulic disc brakes (Junior size & above), all new Chase 24mm 2 piece Alloy Cranks (Expert XL & Above) , updated gearing and crank sizes, a 2 tone paint and graphics design, and an closed rear dropout system with integrated chain tensioner system,. The Edge frame also features hydroformed, triple butted, 6061 aluminum tubes with an integrated head tube. Other featured parts on the Edge include 4130 chromoly fork and handlebars, double wall rims with triple engagement rear cassette rear hub, and TIOGA tires. The combination of all these components arguably makes the CHASE Edge one of the most advanced race BMX bikes available today. The new Edge also features a two tone paint design, along with waterbed decals that are under the clear coat. Using some of the best brands in BMX to build up the Edge, we feature Pro level parts on various sizes of the Edge including Tioga tires, Chase 2 Piece 24mm Cranks, Insight Chain Ring, Shimano Brakes, a Triple Clutch System cassette hub, KMC Chains, and a Pivotal Seat and Seat Post. With 9 bike sizes offered, the Edge line up gives you a full range of size options for just about any size / age racer. FRAME SIZE TT CS min LR AF SA HT SPL BBH WB WHEELS Micro 16.25"412.75mm 10.85"275.6mm 1.8"46mm 71° 69° 4"100mm 8"203.5mm 10.25"254mm 28.81"732mm 18×1" Mini 17.25"438.15mm 12.25"312mm 1.8"46mm 72° 70° 4.33"110mm 8.8"225mm 10.6"269.2mm 31.49"800mm 20×1-1/8" Junior 18.75"476.25mm 12.5"317.5mm 1.8"46mm 73° 72° 4.33"110mm 8.8"225mm 10.6"269.2mm 33.85"859.9mm 20×1-1/8" Expert 19.75"501.65mm 13"330.2mm 1.8"46mm 73° 72° 4.33"110mm 8.8"225mm 11"279.4mm 34.79"883.8mm 20×1-3/8" Expert XL 20"508mm 13.5"353mm 1.8"46mm 73° 72° 4.7"120mm 8.8"225mm 11.5"279.4mm 35.55"903mm 20×1.50" Pro 20.5"520.7mm 14"355.6mm 1.8"46mm 74° 72° 4.7"120mm 9.3"238mm 11"279.4mm 36.9"938mm 20×1.75" Pro XL 21"533.4mm 14.15"359.4mm 1.8"46mm 74° 72° 4.7"120mm 9.3"238mm 11.5"292.1mm 37.21"945.2mm 20×1.75" Pro XXL 21.5"546.1mm 14.15"359.4mm 1.8"46mm 74° 72° 4.7"120mm 9.3"238mm 11.5"292.1mm 38.16"969.5mm 20×1.75" Pro Cruiser 21.5"546.1mm 14.5"368.3mm 1.8"46mm 74° 71° 4.7"120mm 9.3"238mm 10.6"270mm 37.97"964.5mm 24×1.75" With All complete bikes, we recommend having a professional Bicycle dealer complete your initial build up as well as doing a 1 month break in adjustment to check all specs and adjust the bike as needed for optimal riding performance. All bikes will need some adjustment out of the box and this is the responsibility of the final owner to make these adjustments.