Onyx BMX Pro Rear Hub - 3/8" 10 x 110mm Black 36H MFPN=5020 Underneath is a square profile

Underneath is a square profile chain made of hardened steel alloy

Direct shifter mounts available for SRAM and Shimano EV Adjustable Contact Point Yes Adjustable Reach Yes Brake Caliper Type Post Mount Brake Lever Actuation Hydraulic Brake Lever Use Left Color Blue Hydraulic Fluid Type DOT Rotor Included No

the Tacx Training app and other apps It also captures running dynamics — including vertical oscillation

Ergonomic design for a more intuitive snapping on and off TWIST base

Hybrid model comes with a Schrader style valve sized head

Onyx BMX Pro Rear Hub - 3/8" 10 x 110mm Black 36H MFPN=5020 Underneath is a square profileMachined to the tightest tolerances. Onyx hubs use sprag internals for strength extremely low rolling resistance and infinite points of engagement. All Onyx hubs come standard with ceramic hybrid bearings so there is no need to upgrade. Ceramic hybrid bearings 7075 Aluminum Hub Shell Adjustable preload Titanium bolts Extremely low rolling resistance Silent instant engagement 5 year limited warranty Made in the USA Cassette Body Type Shimano 1 Axle