CEF50 Frameset Bafang M820 (Carbon)

CEF50 frameset includes  CEF50 Carbon fiber frame Bafang M820 48V250W 48v 17.4AH 3A charger keys*2 BAFANG C245 display (or 030 display) & remote button crankset 36T Chainring Speed sensor EB-BUS another 200USD Color painting （customize） another 350USD for range extender (48v 5.8ah, totally another 1.65kg) Recommended height 155 - 165 cm (size S) 165 - 176 cm (size M) 177 - 188 cm (size L) 188 -195 cm (size XL)   Type: E-MTB 29ER Size: S/M/L/XL Material: Full Carbon Weight of Frame: 2400g士40g (Size(17") Headset-top: 52mm Headset-down: 66mm Brake model:  Disc brake(180MM) hanger: Thru-axle Maximum Tyre Model: 29ER*2.6" 0R 27.5ER*2.8" Rear Axle Shaft: 148mm*12 Shock Length: 210MM(Eye to Eye Length) Shock Travel: 50MM Front Spacing Travel: 170MM Rear Spacing Travel: 150MM MOTOR: BAFANG M820 S M L XL ST 380 410 440 470 RC 450 450 450 450 HA 64.5 64.5 64.5 64.5 SA 76.9 76.9 76.9 76.9 BB 20 20 20 20 HT 105 115 125 135 O