Evoc - Tailgate Pad E-Strap Stock Item:EVOC TAILGATE PAD E-STRAP These are for riders who

These are for riders who have the latest SRAM T-Type Transmission groupset and want a different chainring size beyond stock offerings

A high-flow 3-way adjustable hydraulic damper cartridge  featuring an independent High/Low speed compression and Rebound adjustments sets the new standard in fork adjustability

and crank bolts

but the bottom bracket has a direct effect on pedaling efficiency (read: speed)

SPANK Industries is a long-time leader in the development of wide rim technology

Evoc - Tailgate Pad E-Strap Stock Item:EVOC TAILGATE PAD E-STRAP These are for riders whoEVOC TAILGATE PAD E STRAP Extra long fastening strap for e bikes with thicker down tube for easy fixation to the TAILGATE PAD.