Origin8 Adaptor BB30 Bottom Bracket 68/73mm Shimano HTII 24mm Model=Hellbender 70 Visco Upper Headset significantly lower rolling resistance and

significantly lower rolling resistance and increased wet weather traction with 120 tpi casing

0 ISO 559 Bead Wire Tread/Sidewall Color Bk/Blk PSI 75 Weight (Grams) 670 TPI 30 Durometer Features Reflective Sidewall No

Model K103 Wheelchair Size 24" Width 1-3/8" Casing Standard TPI 60 Compound Standard Bead Non-Folding Type Non-Tubeless Color Gray Weight 365g

45mm chainline

and it’s completely rebuildable for years of worry-free use

Origin8 Adaptor BB30 Bottom Bracket 68/73mm Shimano HTII 24mm Model=Hellbender 70 Visco Upper Headset significantly lower rolling resistance andApplication specific BB30 conversions See spindle type below for correct application. Designed for installing various spindled cranks into BB30 frames. Fits 68 73mm wide x 42mm ID shells. CNC machined AL6061 alloy adaptors. Press fit sealed premium bearings (6806). Low friction dual seals. Shims and retaining clips included TECH SPECS Width 68 73mm BB Interface BB30 Spindle Type Shimano HTII 24mm Length Cup Material AL6061 Weight Cup Type Cup OD