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T4'21 Alu Flex Chassis is suitable for typical carpet tracks and high traction asphalt tracks.
T4'21 chassis redesigned to work with the T4'21 motor mount, T-brace and features holes for centering pins for RF suspension blocks. The holes for short arms mounting system are removed for improved durability of the chassis.
Retained from the previous year, the mid motor chassis layout is designed to accommodate center drivetrain system and the narrow mounts for the long arm suspension.
The updated layout moves the main bulkheads towards the center by 1mm, and includes mounting holes for both the long arm and short arm suspension holders to allow switching between the two configurations using the same chassis.
The 2.0mm thick aluminum flex chassis is CNC-machined from premium Swiss 7075 T6 aluminum, then black coated and laser engraved.
The ultra-narrow chassis is only 84mm wide and features special cut outs that provide the chassis flex characteristics suitable for a wide variety of the traction levels. The bottom of the chassis is shaped to reduce contact between the chassis and the ground while turning to improve cornering speed.