Safety-wise, the Airframe Pro is probably over-specified - you get DOT, ECE, SAI and PSC (Japan)

#1 Sunn Royal Factory (France) $1761.78 Frame: Alloy 6069 T6, PF30 Forks: SUNN Monocoque Carbon Toray 700 10/15/20mm Axle Compatible Brakes: SHIMANO DXR MX70 Cranks: BOX Vector M35 Silver Polished Finish 44 Teeth Handlebars: BOX One Cromo 31.87.5(Pro) 8(Pro XL) 8,5(Pro XXL) Stem: BOX Delta 48mm Wheels: 20 AIVEE MX2 10110 Rear & 20100 Front Tires: Front TIOGA Powerblock S-Specs 20x 1.75 (Pro, Pro XL & XXL) Rear TIOGA Powerblock S-Specs 201.60 (Pro & Pro XL) 1.75 (XXL) For more info visit Sunn.Fr #2 Chase Element $1249 For more info visit ChaseBicycles.com #3 Haro Blackout $1199.99 For more info visit HaroBikes.com #4 DK Professional $1149.99 FRAME MATERIAL : DK Professional airformed 6061 aluminum WHEEL SIZE : 20 TOP TUBE LENGTH : 21 CHAIN STAY LENGTH : 14.75 HEADTUBE ANGLE : 74 SEAT TUBE ANGLE : 72 FORKS : BOX X carbon with 20mm thru-axle BARS : 8.5 rise, 100% chromoly STEM : DK CNC machined alloy top load, 50mm reach HEADSET : Sealed integrated BRAKE MOUNTS : Welded BRAKES : Promax V-Point with airflow pads FRONT HUB : DK alloy, fully sealed, 20mm thru-axle FRONT RIM : Sun Ringle Envy, double wall, 36-hole REAR HUB : DK alloy, fully sealed, 15mm thru-axle, 16-tooth cassette with 120 engagement points REAR RIM : Sun Ringle Envy, double wall, 36-hole TYRES : 201.5 Maxxis DTH high pressure SPROCKET : 44-tooth, alloy, 5-bolt chainring CRANKS : Forged alloy 2-piece, 170mm BB : 24mm European external (outboard) PEDALS : DK Blender PC platform SEAT : BOX Echelon 1-piece seat/post combo GEARING : 44/16 WEIGHT : 19.5 lbs For more info visit DKBicycles.com #5 GT Speed Series $875 For more info visit GTBicycles.com #6 Haro Pro XL $699.99 For more information visit Harobikes.com #7 Free Agent Team Limo $1359 Frame: Free Agent Team Race, Custom Formed 6061 Double-Butted TT & DT, Oval Chain Stays, Integrated 1 1/8~1.5 Taper H/T, CNC 12mm x 110mm Dropouts, Euro BB Fork : Q2 Team Carbon w/Threaded Free Agent Top Cap, 1 1/8~1.5 Taper, 20mm Convertible to 15mm or 3/8 Headset : Sealed Bearing Integrated, Threadless, 1-1/8~1.5 Handlebar : Free Agent CrMo Race, 740 x 230mm Stem : Free Agent Pro Race, Threadless, Alloy 4-bolt, Full CNC Grips : Free Agent Lock-On Crankset : Free Agent Team Race Crank, Alloy Hollow Forged 2-piece, 180mm, 30mm Alloy Spindle, 44T Chainring BB : Euro 30mm Outboard Cartridge Bearing Chain : KMC Z1 Narrow Pedals : Free Agent Alloy Low-Profile Platform w/Smooth Polymer Bearing Rims : Q2 Elite Pro Wheelset, Super Light Straight Pull Design Hubset : Q2 Elite Pro Wheelset, Elite Pro Alloy Sealed Bearing, Straight Pull w/Hollow Alloy Axles & AlloyHardware, Cassette RR, 20mm FT x 12mm RR Spokes : Q2 Elite Pro Wheelset, 14/15g Double-Butted w/Alloy Nipples, 3636 Tires : Kenda Konversion, 201.95/1.65, 60-TPI, 100-PSI Cassette : 16T Cassette Brake Levers : Free Agent Team, Forged, Knee Saver Design Brakes : (R) Tektro Forged Linear Pull Alloy Saddle : Velo 1200 Miles Racing Seatpost : Free Agent Alloy 2-Bolt, Micro-adjust Other Features : Chain Tensioner Color: Team Red, Available in 20.5, 21.0, 21.5, 22.0 TT lengths For more info visit FreeAgentBMX.com #8 SE Bikes PK Ripper Super Elite (2019) $649 For more info visit SEBIKES.com #9 Meybo Clipper Pro 22 $1100.60 (The Netherlands) These bikes are available in the US

That said, look out for aluminum oxide, stainless steel, titanium alloy, and ceramic guides
This carbon fibre helmet is light and sturdy, and is also available in the Logic version
Water-resistant bags are great for minor exposure to liquids and in between throwing on an additional rain cover or rain jacket