This is the 670-5M/20 belt (long belt) for BladeZ Moby scooters, also called Powerboards.
670-5M/20 (long belt). For 33cc, 35cc, & 40cc 2-stroke engines.
NOTE: The BladeZ Moby can use either a 670-5M/20 belt OR a 670-5M/15 belt. The 670-5M/20 belt is 5mm wider than the 670-5M/15 belt belt. Product Description

670-5M/20 Bladez scooter belt. This is the 670-5M/20 belt (long belt) for BladeZ Moby scooters, also called Powerboards.
This Bladez scooter belt fits 33cc, 35cc, and 40cc models.
NOTE: The BladeZ Moby can use either a 670-5M/20 belt OR a 670-5M/15 belt. The 670-5M/20 belt is 5mm wider than the 670-5M/15 belt belt.