CX403 WIDE

Specefications

The CX403 is the pinnacle of cycling shoes. Every aspect of this shoe is purposeful, with a goal of offering the highest performance and comfort while also delivering optimal power transfer.

Last

CX/TX RACE Last – Featuring a slightly more narrow toe box and tighter heel than the Competition last and less overall volume than the Sport last. Designed for very high-cadence riding with a slimmer fit.

Outsole

Custom Fit Carbon fiber sole with a replaceable heel strike pad. Available in a 3-hole cleat pattern.

Upper

K-lite Kangaroo leather & Carbitex OmniFlex Carbon fiber Stabilizer Support panels help keep the foot stabilized, control stretch and allow for increased power transfer. Lined with Perforated Kangaroo leather for great fit & feel. Mouldable carbon heel.

Closure

BOA® Fit System Li2 dials. The Li2 dial is the most advanced platform in cycling, offering a precise, micro-adjustable fit in both directions and designed to resist abrasion.

DISCLAIMER: Shoes may ship with IP1 dials

Video

Heat Molding

Heat molding instructions can be found here .

Last

CX/TX RACE Last – Featuring a slightly more narrow toe box and tighter heel than the Competition last and less overall volume than the Sport last. Designed for very high-cadence riding with a slimmer fit.

Outsole

Custom Fit Carbon fiber sole with a replaceable heel strike pad. Available in a 3-hole cleat pattern.

Lining

K-lite Kangaroo leather & Carbitex OmniFlex Carbon fiber Stabilizer Support panels help keep the foot stabilized, control stretch and allow for increased power transfer. Lined with Perforated Kangaroo leather for great fit & feel. Moldable carbon heel.

Closure

BOA® Fit System Li2 dials. The Li2 dial is the most advanced platform in cycling, offering a precise, micro-adjustable fit in both directions and designed to resist abrasion.

DISCLAIMER: Shoes may ship with IP1 dials

Video

Heat Molding

Heat molding instructions can be found here .

Most Asked Questions

How does the CX403 fit compared to other Lake road shoes?

The CX403 has a high-performance, race-oriented fit with a carbon fiber shell that can be heat-molded for a truly custom feel. It's more form-fitting than many other models, so it's ideal for riders who want maximum foot stability and power transfer.

Can I heat-mold the CX403 at home?

Yes. The CX403 uses Lake’s Custom Fit Carbon Fiber sole and heel, which can be heat-molded at home using a standard oven. Detailed instructions are included with the shoes, but we also recommend visiting a Lake retailer for expert molding if you're unsure.

The story behind Lake Cycling shoes

What began as a bold solution to uncomfortable cycling shoes has grown into a legacy of innovation and fit. Our story is one of craftsmanship, problem-solving, and a relentless pursuit of better shoes for every rider. Built from the finest materials and shaped by decades of experience, every pair reflects our passion for cycling.