Metal Front Rear Complete Axle w/ Steering Kit for 1/18 RC Car Crawler 4M DIY Alloy casting molded axle housing Aluminum hex and steering link Hardened shafts and steel gears Sealed bearing, smooth operation Heavy duty design provides better stability and climbing performance Gold-silver and black-red coating surface treatment Pre-assembled, coming with all hardware for the axles Works with 4M Defender/Bronco chassis Specifications: Item: Front Rear Axle Set Compatibility: for 1/18 4M Defender/Bronco Housing Material: Alloy Gear Material: Alloy Shaft Material: Alloy Gear Ratio: 24/12, 2:1 (Same as Stock) Total Length: 112mm (4.41in) Color: Gold-Silver, Red-Black Front Axle Weight: 81g (2.86oz) Rear Axle Weight: 63g (2.22oz) Gift Box Packaging What's Included: 1 * 4M Complete Axle Notes: Casting alloy housing (same as 3D printing, slightly rough), the links mount part may need to be slightly polished before use.