both have a DWR (durable water repellent) finish that's made without PFCs (perfluorinated chemicals)

Bottom Bracket Shell ID: 1

Sustain bottles are made with material derived from 50% plastic waste

Removable Earpads

Powerfly Fs+ 4 Gen 4 size-islm9100irap both have a DWR (durablePowerfly FS+ 4 is a full power full suspension electric mountain bike for taking on alpine adventures. Its Alpha Platinum Aluminum frame pairs with a RockShox Deluxe suspension package (120mm rear, 130mm front) to smooth out rough trails, while a 10 speed Shimano CUES drivetrain provides simple, low maintenance shifting. Tektro Gemini SL 4 piston hydraulic disc brakes give you stopping power at a great value. Click here for more details.