Description
Bimecc Open Wheel Nut R13 Radius Seat TÜV Approved
Bimecc Open Copper Wheel Nuts (R13 Radius Seat) are precision-manufactured for OEM-style wheels requiring a radius (ball) seat. Finished in copper for a motorsport-inspired look, these open-ended wheel nuts are ideal for stud conversions, aftermarket wheels, and spacer setups. Please confirm wheel seat type before purchase.
⚠ IMPORTANT INFORMATION
This listing is supplied as a 10-piece set. Please ensure your wheels require an R13 radius (ball) seat. These are NOT compatible with 60° taper wheels.
Hex Size: 19mm | Finish: Copper | Bimecc wheel studs sold separately.
Key Features＋
- Open-ended wheel nut design.
- R13 radius (ball) seat for OEM-style wheels.
- Copper finish for a standout motorsport appearance.
- 19mm hex for secure installation.
- Ideal for stud conversions, spacers, and aftermarket setups.
Available Sizes＋
- Open Nut M12 × 1.25 × 26 R13 Seat 19mm Hex
TÜV Approval＋
The Bimecc Stud & Nut Conversion System is TÜV approved, confirming it meets strict standards for quality, safety, and long-term durability.
Installation Notes＋
- Confirm wheel seat type (R13 radius) and correct thread size before installation.
- Hand-tighten all nuts first to ensure correct seating.
- Torque wheel nuts to vehicle manufacturer specification in a star pattern.
- Re-check torque after 100 miles or after track use.
FAQ＋
Q: Are these wheel nuts sold individually?
A: No, this listing is supplied as a 10-piece set.
Q: Are these compatible with 60° taper wheels?
A: No, R13 radius wheel nuts are not compatible with taper seat wheels.
Q: Are wheel studs included?
A: No, Bimecc wheel studs are sold separately.
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