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Description
Adjustability, Breathability, & Durability
The Lake CX178-X delivers modern performance with an emphasis on anatomical efficiency and everyday comfort, using a redesigned last with a broader toe box to support natural toe splay, reduce compression, and improve stability, alignment, and long-distance comfort; paired with Lake's proven nylon composite sole and lightweight microfiber upper for balanced adjustability, breathability, and durability.
The CX178 combines a neutral overall fit with a forward toe shape designed for straighter toe alignment and additional toe space. It maintains the secure feel of the Sport Last while allowing more forefoot comfort and natural toe positioning during longer rides.
Built around a first-toe-longer last shape. If your second toe is longer, consider adding 7–10 mm to your measured size. If you are between sizes or prefer additional room, consider sizing up 0.5–1 size.
Features:
- Last: Sport Comfort Last – redesigned with a broader toe box and stable forefoot platform to promote natural toe splay, improve alignment, and reduce pressure points while maintaining pedaling efficiency.
- Outsole: 60K force nylon composite sole providing stiff, lightweight power transfer with controlled flex for all-day comfort; features 9 mm of toe-to-heel cleat rail adjustability and extended midfoot positioning for fine-tuned cleat placement and reduced strain, plus expanded ventilation channels and oversized heel and toe pads for airflow, traction, and durability off the bike.
- Upper: Durable, stretch-resistant microfiber upper with precision-cut ventilation ports along the forefoot and midfoot for airflow and moisture management; anatomically shaped to complement the reengineered toe box, reducing medial and lateral forefoot compression and allowing toes to expand naturally under load for improved comfort and a secure, performance-focused fit.
- Closure: BOA® Fit System L6 dial delivering fast, micro-adjustable midfoot tension, even pressure distribution, and quick entry/exit while keeping weight low; works with the supportive upper pattern to provide a glove-like, secure hold throughout the pedal stroke.
B-Stock - This product has one or more B-Stock units available. These units can be purchased at a discount (see option select). B-Stock units were returned from other customers and may have missing or damaged packaging materials. Cleats may have been mounted leaving minor marks on the soles. These units are otherwise as new. The full manufacturer warranty applies. Click Here for more information.
Size Chart

Specifications
Cleat Compatibility: 3 Hole (Road) | |
Width: Wide | |
White/Black - 42 | Mfg PartNum: 3024309 |
White/Black - 43 | Mfg PartNum: 3024310 |
White/Black - 44 | Mfg PartNum: 3024311 |
White/Black - 45 | Mfg PartNum: 3024312 |
White/Black - 46 | Mfg PartNum: 3024313 |
White/Black - 47 | Mfg PartNum: 3024314 |
Black/Silver - 42 | Mfg PartNum: 3024339 |
Black/Silver - 43 | Mfg PartNum: 3024340 |
Black/Silver - 44 | Mfg PartNum: 3024341 |
Black/Silver - 45 | Mfg PartNum: 3024342 |
Black/Silver - 46 | Mfg PartNum: 3024343 |
Black/Silver - 47 | Mfg PartNum: 3024344 |
Mechanic's Corner
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