Park Tool Bottom Bracket Tool 16 Notch 44mm OD (BBT-19.2) size-34 it's the all new Spark

it's the all new Spark 920

Construction: In-Mold Technology Polycarbonate Micro Shell

but features things like removable skid plates for better protection and serviceability

Maxxis Foldable Tires

Park Tool Bottom Bracket Tool 16 Notch 44mm OD (BBT-19.2) size-34 it's the all new SparkAbout Park Tool Bottom Bracket Tool 16 Notch 44mm OD (BBT 19. 2) Bottom brackets occasionally require removal for service, replacement, or upgrading. The Park Tool BBT 19. 2 is compatible with some bottom brackets that feature a 16 notch tool fitting, including most Shimano models with outboard bearings. Constructed from high precision hardened chromoly steel, and can be driven using a wrench, socket, or 3 8" drive wrench. Features Fits 16 notch