Set adicional de eje y tuercas de titanio mas rodamientos sellados ceramicos agregar $ 150,000 Bolt-on BMX hubs are designed to work in conjunction with Chain tensioner(s) and have a MAX bolt torque of 15 Nm. Get a set of front and rear OHM hubs and save. See catalog pages for OHM hub drawing, specs, and spoke length calculator. onyx-bmx-ohm-100-8mm-bolt-on-helix-front-hub-099048-ano-bk OHM 100/8mm Bolt-on Helix Front Hub Use the Spoke Length Calculator tab for Onyx BMX OHM 100/8mm Bolt-on Helix Front Hub to calculate spoke lengths. Spoke Count 28 Color Anodized - Black Clear BMX OHM CL HG-110/10mm Bolt-on-Hub Shell OHM CL HG-110/10mm Bolt-on Rear Hub Use the Spoke Length Calculator tab for Onyx BMX OHM CL HG-110/10mm Bolt-on Rear Hub to calculate spoke lengths. Spoke Count 28 Color Anodized - Black Clear Onyx BMX OHM Front - CL HG Rear Hub Set - Racing Upgrade Hub Set Racing Spec Upgrade Upgrade to hybrid ceramic bearings and titanium bolts. Reduces OHM front hub weight by 0.55 oz (15.5 grams). Reduces OHM rear hub weight by 1.08 oz (30.7 grams).