ARRMA ARA311231 Metal Axle and Wheel Hex Set Ferrosur A must-have for many modern

A must-have for many modern HO Scale Amtrak long-distance trains

(4) black (Stiff) springs

Motor Limit: 2S LiPo or 6 cell NiMH:

it has several iterations

ARRMA ARA311231 Metal Axle and Wheel Hex Set Ferrosur A must-have for many modernARRMA ARA311231 Metal Axle and Wheel Hex Set This Metal Axle and Hex Set provides an ideal upgrade for your ARRMA vehicle. FEATURES: Pre Assembled front driveshafts for easy fit Anodized aluminum clamping wheel hexes for great looks and extreme durability 12mm hex size allows fit of a wide range of wheel tire sets INCLUDES: 2 x Front universal joint driveshafts 2 x Rear stub axles 4 x Clamping wheel hexes 4 x Locking grub screws 4 x Drive pins 4 x M4