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.
CX/TX RACE Last – Featuring a slightly narrower toe box & tighter heel than the Competition last and less overall volume than the Sport last. Designed for very high-cadence riding & higher pressure and a slimmer fit.
Custom Fit Carbon Fiber sole with a replaceable heel strike pad. Available in a 3-hole cleat pattern.
Klite 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.
Dual Side mounted Push/Pull IP1-S BOA lacing system
Heat molding instructions can be found here.
Looking for the ultimate online size guide? Check out our full size guide so you can hone in on the best shoe fit that Lake has to offer.
| LAST LENGTH / SHOE SIZE Add +5mm to your measured length to get correct shoe length |
COMFORT PLUS WIDTHS ROAD: CX201 MTB: MX201, MX169, MXZ120 |
SPORT LAST WIDTHS ROAD: CX176, CX177, CX145, CX146, TX213, CXZ176 (Wide Only) MTB: MX176, MX177, MX168, MX1, MX145, MX146, MXZ176 (Wide Only) |
COMPETITION LAST WIDTHS ROAD: CX218, CX219, CX238, CX241, CX242, CX1C, CX21C, TX223, TX322 MTB: MX218, MX219, MX238, MX241, MX242, MX1C, MX21G |
RACE LAST WIDTHS ROAD: CX301, CX332, CX302, CX333, CX20R, CX403 MTB: MX332, MX333, MX30G, MX20G *Closeout models use previous width names, measurements remain the same |
WINTER LAST WIDTHS MTB: MXZ200, MXZ400 (Wide Only), MXZ304 |
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| Milimeters | EU | Regular | Regular | Wide | Regular | Wide | Narrow (Regular) |
Regular (Wide) |
Wide (Extra Wide) |
Regular | Wide |
| 224.5 - 227 | 36 | 92 | 85 | 87 | 83 | 78 | |||||
| 230.5 - 234 | 37 | 94 | 87 | 88 | 100 | 85 | 93.8 | 96.24 | 80 | ||
| 234.5 - 237 | 37.5 | 89 | 85 | ||||||||
| 237.5 - 240 | 38 | 96 | 89 | 90 | 102 | 87 | 95.8 | 98.24 | 82 | ||
| 240.5 - 243 | 38.5 | 91 | 87 | ||||||||
| 243.5 - 246 | 39 | 98 | 91 | 99.76 | 92 | 104 | 88 | 97.8 | 100.24 | 84 | 100.2 |
| 246.5 - 250 | 39.5 | 99 | 93 | 105 | 88 | 98.8 | 101.24 | ||||
| 250.5 - 253 | 40 | 100 | 93 | 101.76 | 94 | 106 | 89 | 99.8 | 102.24 | 86 | 101.2 |
| 253.5 - 256 | 40.5 | 101 | 95 | 107 | 90 | 100.8 | 103.24 | ||||
| 256.5 - 260 | 41 | 102 | 95 | 103.76 | 96 | 108 | 91 | 101.8 | 104.24 | 88 | 103.2 |
| 260.5 - 263 | 41.5 | 103 | 97 | 109 | 92 | 102.8 | 105.24 | ||||
| 263.5 - 266 | 42 | 104 | 97 | 105.76 | 98 | 110 | 93 | 103.8 | 106.24 | 90 | 105.2 |
| 266.5 - 270 | 42.5 | 105 | 99 | 111 | 94 | 104.8 | 107.24 | ||||
| 270.5 - 273 | 43 | 106 | 99 | 107.76 | 100 | 112 | 95 | 105.8 | 108.24 | 92 | 106.7 |
| 273.5 - 276 | 43.5 | 107 | 101 | 113 | 96 | 106.8 | 109.24 | ||||
| 276.5 - 280 | 44 | 108 | 101 | 109.76 | 102 | 114 | 97 | 107.8 | 110.24 | 94 | 108.2 |
| 280.5 - 283 | 44.5 | 109 | 103 | 115 | 98 | 108.8 | 111.24 | ||||
| 283.5 - 286 | 45 | 110 | 103 | 111.76 | 104 | 116 | 99 | 109.8 | 112.24 | 96 | 110.7 |
| 286.5 - 290 | 45.5 | 111 | 105 | 117 | 100 | 110.8 | 113.24 | ||||
| 290.5 - 293 | 46 | 112 | 105 | 113.76 | 106 | 118 | 101 | 111.8 | 114.24 | 98 | 112.2 |
| 293.5 - 296 | 46.5 | 113 | 107 | 119 | 103 | 112.8 | 115.24 | ||||
| 296.5 - 300 | 47 | 114 | 107 | 115.76 | 108 | 120 | 103 | 113.8 | 116.24 | 100 | 114.2 |
| 303.5 - 306 | 48 | 115 | 109 | 116.76 | 110 | 122 | 105 | 115.8 | 118.24 | 102 | 116.2 |
| 309.5 - 313 | 49 | 116 | 112 | 124 | 107 | 117.8 | 120.24 | ||||
| 313.5 - 316.5 | 50 | 118 | 113 | 120.76 | 114 | 126 | 108 | 119.8 | 122.24 | 106 | 120.2 |
| 326.5 - 329 | 52 | 118 | 130 | 112 | 123.8 | 126.24 | |||||
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.
CX/TX RACE Last – Featuring a slightly narrower toe box & tighter heel than the Competition last and less overall volume than the Sport last. Designed for very high-cadence riding & higher pressure and a slimmer fit.
Custom Fit Carbon Fiber sole with a replaceable heel strike pad. Available in a 3-hole cleat pattern.
Klite 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.
Dual Side mounted Push/Pull IP1-S BOA lacing system
Heat molding instructions can be found here.
