Royal Enfield 570108/F Torsion Spring – OEM Shift Spring for Gear Change Cam on Classic, Bullet & GT UCE Models

NOW SOLD AS A SET OF 10 PCS FROM 13 APRIL 2026(7 PM ONWARDS) 

📋 Specifications Table

Maintain crisp gear shifts and secure cam positioning with the Royal Enfield 570108/F Torsion Spring, the factory-specified spring installed on the gear change cam assembly inside the right-hand crankcase cover. This genuine OEM component is used on all UCE-export models—including Classic 350/500, Bullet 350/500, Electra 350, Thunderbird, and Continental GT—where precision spring tension ensures proper shifting mechanics and prevents play or disengagement 

Constructed from hardened steel with OEM temper and angle, this spring ensures long-life resilience to gear-shift cycling. Sold individually (though often stocked in packs of 10), it’s ideal for gearbox service, cam replacement, or eliminating play in older mechanisms. Exact OEM configuration provides also fit in maintenance rebuilds without modification. Ships worldwide with verified sourcing and buyer support.

✔️ Features & Benefits

• 100% OEM spec: Exact torsion spring used by Royal Enfield at factory assembly—part 570108/F

• Precise spring tension: Maintains correct gear-shift cam position, essential for smooth shifting feel

• Wide UCE-series fitment: Classic, Bullet, Electra, Thunderbird, GT export models

• Easy drop-in replacement: Same angle and strength eliminates shift play without adjustment

• Durable construction: Hardened steel retains tension over extended usage cycles

• Low-cost critical maintenance: Small part with high impact on gearbox function and longevity

❓ Frequently Asked Questions

Q1: What is the function of part 570108/F?
It acts as the torsion spring on the gear change cam inside the crankcase cover, providing spring-back force for gear selector movement.

Q2: Does this fit my Bullet 350 UCE?
✅ Yes—official spring used in Bullet 350 UCE KS and ES models, as well as Classic, Thunderbird, Electra, and GT export versions. 

Q3: How often should it be replaced?
🟢 Replace during gearbox cover service or if gear shift feels loose or inconsistent. It's inexpensive but essential for shift accuracy.

Q4: Can it be reused?
⚠️ Only if undamaged and still provides adequate tension. Otherwise, install a fresh OEM spring for reliable shifting.

Q5: Sold per piece or pack?
Usually sold individually; some suppliers stock in packs of 10. Purchase quantity=1 needed per bike.