SADEV ST75-14 6-Dog Ring - Renault Clio 2 & 3 Cup

Prevent mechanical failure: the importance of the SADEV 6-dog dog ring

On a competition vehicle like the Renault Clio 2 X65 Cup or Renault Clio 3 X85 Cup, the gearbox is subjected to maximum strain during every downshift and flat-foot upshift. Ignoring wear on a dog engagement ring exposes you directly to slipping gears, rounded dog teeth, or complete destruction of the internal gears in your SADEV ST75-14 sequential gearbox.

Replacing your worn dog ring with this new certified SADEV component prevents premature race DNF and unnecessarily high gearbox overhaul bills.

Genuine SADEV engineering for uncompromised precision

In motorsport, even minimal mechanical play leads to lost lap times and accelerated gear wear. The SADEV 6-dog dog ring is machined to the manufacturer's strict specifications to guarantee:

• Crisp and direct dog engagement at high engine RPM.
• Maximum thermal and mechanical resistance against drivetrain shocks.
• Perfect alignment with the gears of your ST75-14 gearbox.

Why replace your sequential gearbox dog ring before failure occurs?

The dogs endure intense friction with every gear change. When the sharp edges of the dogs become worn or rounded, the gear will no longer stay locked under load. Failing to replace a worn SADEV 6-dog dog ring leads to consequential damage to adjacent gears and selector forks, turning routine maintenance into a costly full overhaul.

Vehicle compatibility and motorsport applications

This 6-dog dog ring is specifically dimensioned for the SADEV ST75-14 sequential gearbox fitted to the following models:

• Renault Clio 2 Cup (X65 Chassis)
• Renault Clio 3 Cup (X85 Chassis)

FAQ: Questions about the SADEV ST75-14 6-dog dog ring

When should you replace the dog ring on a SADEV ST75-14 gearbox?

It is recommended to inspect the condition of the dogs during every regular overhaul of your sequential gearbox or as soon as engagement issues appear. If you notice slight rounding on the dog ring teeth, immediate replacement is necessary to protect your gear set.

Can this dog ring be fitted to another SADEV sequential gearbox?

No, this part is precisely machined for the internal architecture and gearing of the SADEV ST75-14 gearbox specific to Clio Cup vehicles. Always verify compatibility with your transmission before installation.

Where to service your sequential gearbox or install racing components?

In addition to worldwide fast shipping for all parts, the Optimiz Access team offers installation, maintenance, and race preparation directly at our workshop based in Northern France (near Cambrai, Valenciennes, Arras, Douai, Seclin, Lille, and Saint-Quentin).

Find all gears, dog rings, and overhaul components compatible with the SADEV ST75-14 gearbox at the bottom of this product page.