130mAh/7.4V/10C 6.8g Full River

Details 

2-cell battery (7.4V)

13-3-20T brushless

Details 

5.2g, 2 cells
1.5mm dia. shaft
comparison table

13-4-15Y brushless

Details 

6.0g, 2 or 3 cells
1.5mm dia. shaft
comparison table

13-6-11Y brushless

Details 

7.9g, 2 or 3 cells
1.5mm dia. shaft
comparison table

152mm x 76mm (6030) plastic GWS

Details 

2.23g, 3mm bore
152mm diameter

155mm x 75mm carbon WT

2mm bore, WES-Technik
1.2g

160mm x 120mm carbon, 1mm bore WT

160mm diameter
1.0mm bore, 820mg, WES-Technik
carbon hub (no setscrew)

160mm x 120mm carbon, 2mm bore WT

160mm diameter
2mm bore, 1.3g, WES-Technik

2.0mm bore ball bearing

Details 

United Founders Taiwan

2.0mm dia. carbon rod

1.22m long, 4.8g/m
0.08 inch dia.

2.0mm, 2-wire female

2.0mm pitch
Tin pins with solder before soldering the wires.

2.0mm, 2-wire male

2.0mm pitch
Place a female connector on the long pins, and tin the short pins before soldering on the wires.

2.0mm, 2-wire polarized

2.0mm pitch

2.0mm, 3-wire female

2.0mm pitch
Tin pins with solder before soldering the wires.