Zipp ZM2 Spring and Pawl Set

$45.00

In Stock

OEM service kit for Zipp ZM2 hubs containing 12 coil springs, 12 pawls, a driver body seal and a snap ring to restore reliable freehub engagement.

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Product Details

Overview & Technology

Zipp ZM2 Spring and Pawl Set is the OEM service kit designed to maintain or restore the engagement system in Zipp ZM2 hub drivers. The kit includes 12 coil springs, 12 pawls, a driver body seal and a round wire snap ring (Manufacturer Part #: 11.2018.070.000 / SRAM Model ID: HU-SPP-A0). These small parts are critical for crisp, reliable engagement and long-term durability of your ZM2 hubs. The components are precision-formed for consistent contact and quick throwback under load. The kit's coil springs provide consistent preload on each pawl while the pawls themselves are manufactured to tight tolerances to ensure even wear and predictable engagement. The included driver seal helps keep grease in and contaminants out, extending service intervals and protecting internal pawls and ratchets.

Key Features & Benefits

Complete OEM replacement set: replaces all pawls and springs at once to eliminate uneven engagement or intermittent skipping caused by worn parts. Restoring all twelve pawls and springs at the same time returns the hub to factory engagement characteristics. Real-world benefits: riders notice crisper engagement, reduced freehub noise and more consistent power transfer under sprint and climbing loads. The seal and snap ring included in the kit simplify installation and ensure the driver assembly stays secure during reassembly.

Fit, Compatibility & Installation Notes

This kit is specifically engineered for Zipp ZM2 hubs. Confirm compatibility with your hub by cross-referencing part number 11.2018.070.000 or SRAM model ID HU-SPP-A0. It is not intended as a universal pawl kit — using incorrect pawls or springs can cause poor engagement and accelerated wear. Installation requires hub disassembly and basic shop tools: snap-ring pliers, suitable grease, and a clean workspace. Lightly lubricate pawls with a thin layer of grease on pivot points (avoid packing springs in heavy grease) and replace the driver body seal before reassembly. If you’re unsure, have a pro mechanic handle the service to ensure correct torque and assembly sequence.

Who This Is For

Road cyclists and wheel builders who own wheels equipped with Zipp ZM2 hubs and want OEM-quality replacement parts should carry this kit. It's ideal for enthusiasts who service wheels at home and shops performing routine hub rebuilds. It’s especially useful for riders who notice skipping, delayed engagement, unusual freehub noise, or who perform regular maintenance on wheels used for racing, group rides or ambitious training. Keeping spare kits on hand reduces downtime and gets you back on the road quickly.

Key Features

✓ Includes 12 coil springs and 12 precision-formed pawls for full replacement
✓ OEM Zipp part (11.2018.070.000) — SRAM model HU-SPP-A0 compatible
✓ Driver body seal and round wire snap ring included for secure reassembly
✓ Restores crisp engagement and consistent power transfer under load
✓ Precision manufacturing for tight tolerances and predictable wear patterns
✓ Helps reduce freehub noise and extends hub service intervals

Product Identifiers

Vendor Item #	11.2018.070.000
UPC	710845881350

Frequently Asked Questions

Will this kit fit any Zipp hub?

This kit is engineered specifically for Zipp ZM2 hubs and should be used with those drivers only. Always confirm compatibility using the Zipp part number 11.2018.070.000 or SRAM model HU-SPP-A0; other Zipp hub models may use different pawls or spring designs.

How often should I replace the pawls and springs?

Replacement interval depends on riding conditions and mileage. Inspect pawls and springs during regular hub services — if you notice excessive play, rounded pawl noses, inconsistent engagement, or noisy operation, replace the kit. Recreational riders often service hubs every 12–24 months; high-mileage or off-road users may need to service more often.

Can I install this kit at home?

Yes, if you have basic mechanical skills and the right tools (snap-ring pliers, clean rags, light grease). Care is required: correct orientation of pawls, proper spring seating and a clean driver cavity are essential. If you’re not comfortable with hub disassembly, take the wheel to a qualified mechanic.

What grease should I use with the pawls?

Use a light to medium-consistency hub grease recommended by your hub or wheelmaker. Avoid heavy pastes that can impede pawl spring action; a thin film on pivot areas and ratchet surfaces provides protection without hindering engagement. Some mechanics use a light synthetic grease or a small amount of oil at the pawl pivots depending on manufacturer guidance.

Does the kit include instructions or warranty?

The kit includes the necessary parts for a full pawl and spring replacement; detailed service instructions are typically available from Zipp or your wheel builder. Warranty coverage follows Zipp’s and your wheelmaker’s policies — keep proof of purchase and consult Forest Bikes customer service for assistance with returns or warranty queries.

Buying Guide

When buying a spring and pawl set, prioritize OEM kits or exact part-number matches to preserve hub engagement geometry and reliability. Look for complete kits that include all pawls and springs plus any seals or retaining hardware so you can fully rebuild the driver instead of piecemeal repairs. If you service hubs at home, buy the kit along with the right shop tools and a small amount of recommended grease. If you’re uncomfortable disassembling the driver, budget for a professional hub service — a correctly installed kit restores engagement and avoids costly damage from incorrect assembly.

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