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Compact, quiet, and tough for daily use. The Foldylock Classic unfolds to 95 cm (37.4") so you can reach posts and rails that short U-locks can’t, then folds into a low-profile case that mounts to your frame. Hardened steel plates with protected rivets resist common hand tools, and the Sold Secure Silver rating makes it a solid choice for moderate-risk areas.

Highlights

• Sold Secure Silver security rating (folding lock)

• 95 cm reach for easier locking options; folds small & silent in its case

• Hardened steel plates + drill-protected rivets

• Frame mount: bottle-boss bolts or included straps

• Includes: lock, mounting case + hardware/straps, 3 keys

• Weight: ~3.0 lb (≈1.35 kg)

Condition: New, complete kit

Lock your saddle height and keep your seat from walking away. This X-LOCK clamp replaces quick-release seatpost clamps with a tamper-resistant security head that tightens using the included proprietary key. Ideal for commuters, campus bikes, and e-bikes parked outside.

Highlights

• Anti-theft clamp with security key (replace your QR clamp)

• Aluminum body with low-profile, tamper-resistant head

• Smooth inner surface to protect the seatpost; hex-tightened key tool

• Sizes offered by Seatylock: 28.6 / 30.0 / 31.8 / 34.9 mm (choose your frame’s seat-tube size)

• Quick install: slide old clamp off → slide X-LOCK on → tighten with key

What’s included

• X-LOCK seatpost clamp

• Security key tool

• Quick start info

Compatibility notes

• Works on frames that use a standard external seatpost clamp (round seat tubes).

• Choose size that matches your frame’s seat-tube OD (usually printed on the old clamp; if not, measure with calipers).

• Not for integrated/wedge-style seat clamps.

Condition: New in retail package (see photos)

Stop grab-and-go wheel theft on bikes with nutted axles. These X-LOCK security nuts replace standard 3/8″ axle nuts and tighten using the included proprietary key tool. Low-profile, tamper-resistant heads deter thieves in seconds—perfect for commuters, campus bikes, and e-bikes with bolt-on wheels.

What’s included

• 2× security axle nuts — 3/8″-26 TPI (front & rear)

• X-LOCK key tool (keep with your repair kit)

Fit / compatibility

• For nutted axles threaded 3/8″-26 TPI (common on many BMX, single-speed, coaster brake, and some e-bikes).

• Not compatible with quick-release skewers or metric M10×1 axles, and not for thru-axles (12 mm).

• If unsure, check the thread spec on your existing nuts or bring one in to match.

Details

• Hardened steel with weather-resistant finish

• Tamper-resistant, low-profile design

• Quick install: remove old nuts → fit wheels → tighten with key

Condition: New in retail package (see photos)

Ditch easy-to-steal quick releases. This X-LOCK set replaces them with security axle bolts that tighten using the included proprietary key tool, stopping grab-and-go wheel theft in seconds. Ideal for commuters and e-bikes parked outside.

What’s included

• Front security skewer + cone/nut

• Rear security skewer + cone/nut

• X-LOCK key tool (keep this with your repair kit)

Fit / compatibility

• Fits bikes with standard quick-release hubs: 100 mm front / 135 mm rear spacing (M5 skewer rod).

• Works with rim or disc brakes.

• Not compatible with thru-axles (12 mm) or solid “nutted” axles (M10).

• If your bike uses thru-axles (e.g., 12×100 or 12×142), these will not fit.

Details

• Hardened steel hardware, weather-resistant finish

• Low-profile, tamper-resistant heads

• Quick install: swap your QR skewers → tighten with the included key

Condition: New in retail package (see photos)