DT Swiss LN Ratchet Upgrade & Repair Kit – 18T / 36T / 54T

Upgrade your DT Swiss® LN-style rear hub for faster engagement, smoother power transfer and long-lasting reliability with this premium LN Ratchet Upgrade & Repair Kit.

Designed as a direct replacement or upgrade for compatible 3-pawl hubs, this complete kit converts your hub to the proven LN dual ratchet system, providing full circumferential engagement for improved strength, efficiency and durability.

Available in 18T, 36T or 54T engagement options to suit your riding style.

Features

• Converts compatible 3-pawl hubs to the LN dual ratchet system

• Available in 18T, 36T or 54T engagement options

• Precision machined carbon steel ratchets for maximum durability

• Faster engagement and improved power transfer

• Smooth, reliable operation with reduced maintenance

• Complete repair and upgrade kit

• Ideal for servicing worn or damaged LN ratchet systems

• Easy installation with standard hub service tools

Tooth Count Options

18T

• Maximum durability

• Ideal for XC, trail and everyday riding

36T

• Excellent balance of fast engagement and longevity

• Great all-round upgrade

54T

• Extremely quick engagement

• Perfect for technical riding, enduro and aggressive trail use

Specifications

• System: LN Ratchet

• Material: High-strength carbon steel

• Options: 18T, 36T or 54T

• Application: Rear hub service, repair or upgrade

• Compatibility: Compatible with DT Swiss® LN style hubs and compatible aftermarket hubs

Compatible Hub Series

Suitable for many compatible LN-style hubs including:

• DT Swiss 350

• DT Swiss 370 (3-pawl conversion compatible models)

• DT Swiss X1100

• DT Swiss X1400

• DT Swiss X1600

• DT Swiss X1700

Please compare your existing hub internals before purchasing to ensure compatibility.

Kit Includes

• 2 × LN Ratchet Rings (selected tooth count)

• 2 × Ratchet Springs

• 1 × Threaded Ratchet Ring

• 1 × Carrier Ring

• 1 × End Cap

• 1 × Spacer Washer

• 1 × 10ml Assembly grease

TB Tech Tip:
18T offers maximum reliability and service life, 36T is the best all-round option, while 54T delivers lightning-fast engagement for technical riding, although it may require slightly more frequent servicing due to the increased tooth count.