Injora +5mm Diamond Portal Axles with Brass Steering Knuckles & Cov

Updated on Aug 6, 2025 02:52:20 PM

INJORA +5mm Diamond Portal Axles with Brass Steering Knuckles & Covers for 1/18 TRX4M

Note:

Not compatible with stock TRX4M chassis as the lay lown servo mount is wider than stock. Compatible with INJORA universal chassis.

Compatible with both INJORA and stock TRX4M upgrade parts: axle gears, chassis links, drive shafts.
Only compatible with these servos: Stock TRX4M servo, INJORA 7kg servo INJS2065 (please use the bushings), INJORA 11kg servo INJS11


Features:

Upgraded with brass steering knuckles and covers to enhance stability
INJORA portal axles raise the pumpkin for increased ground clearance
Equipped with a servo-on-axle lay down servo mount
Diamond-shaped pumpkin offers a more realistic scale look
+5mm axle extension on each side increases total axle width by 10mm
Fully extended axle housings, not just the dogbones, reduce stress on the shafts
Includes hardened CVD shafts, 12/24T differential gears, and 15/20T portal gears


Specifications:

Part Number: 4M-104BRFR
Housing Material: Aluminum
Steering Knuckles Material: Brass
Portal Outer Covers Material: Brass
Gear Material: 20CrMo Alloy Steel
CVD Shaft Material: Hardened Steel
Axle Gears: 24T/12T (Same as Stock)
Underdrive Portal Gears: 15T/20T (Decrease Speed 25%)
Total Length: 124mm
Offset: 8.9mm
Front Axle Weight: 91g
Rear Axle Weight: 59g

- Injora +5mm Diamond Portal Axles with Brass Steering Knuckles & Cov