B4/T4 Spur Gears for Brushless! • New smaller design for gear ratios used with 17.5, 13.5 and 10.5 brushless stock motors. • Allows the use of smaller sized pinion gears. • Moves motor forward for better balance and more predictable handling. • 72T and 75T available (48 pitch). • For the RC10B4 and RC10T4. Compatible with Losi XXX and XXX-T with the addition of the following parts (not included): • #9603 Slipper Pad • #9604 Slipper Hub Outer (2 units required) 적용모델: - B4 B4.1 T4 T4.1 SC10