65mm props are not enough? here the NANO KAIDJU with 3" props 2mm arms, compatible with the 2.6" / 65mm props arms (same serie). 

weight info.

bottom: 2.61g

arm: 0.97g

canopy: 2.38g (low profile version) 

motors compatibility: 90% of the category market: 0802-1102 3 holes 6.6mm, 1103-1108 4 holes 9mm 

thickness arm: 2.5mm 

fc: 16x16 20x20 crazybee / beta fpv aio 

what do you need to make a less than 50g nano racer? 

1 x BeeCore Betaflight F4 OSD
1 x XT30 plug
1 x XM+ (if you have a FRSKY radio)
4 x RACERSTAR BR1103 8000kv
1 x EOS 2
1 x VTX01 / VTX03S
4 x GEMFAN 3025x2
1 x TATTY 450 2s lipo

1 x NANO KAIDJU TPU CANOPY (free download) or any BETA 75X canopy for EOS2

4 x 10mm m2 screws
4 x m2 nuts
4x 4.5mm m2 tpu spacers (free download) 

8 x 8mm m2 screws
8 x m2 lock nuts

l the links (crews, tpu elements, setup parts...) with pics and videos reviews on the official NANO KAIDJU rotobuilds page:

https://rotorbuilds.com/build/21483