Reds Racing has released the new V2.1 Tetra Clutch system setup specifically configured for 721 Scuderia off-road Buggy engine. The new clutch uses 4 x aluminum shoes and 4 x 1.0 springs which improve the 721 Scuderia engine power delivery.
Reds Tetra clutch 721 Scuderia edition combined with Reds Racing Clutch bells will improve fuel mileage. REDS clutch system is available with 32mm and 34mm diameter to make it suitable for any type of car.
It is possible to purchase as optional parts:
High Inertia flywheel for low acceleration, recommended for low grip tracks
Low Inertia flywheel for high acceleration, recommended for high grip tracks
Using the configurable top plate and springs, there are 6 different combinations: 1.0 and 1.1 mm springs and 3 preload adjustments with the top plate.
Source: reds-racing.com