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Main page » Brands » Crankbrothers » Crankbrothers Wheels » Crankbrothers MTB Wheels » Crankbrothers Laufrad Synthesis E11 27.5 I9 HR 157x12 SH Super Boost
Crankbrothers Laufrad Synthesis E11 27.5 I9 HR 157x12 SH Super Boost
(Product No.: IC-330-050-16977)
Abgestimmtes Vorder- und Hinterrad-Carbon-Radsystem für Endurofahrten und Rennen. Spezifische Vorder- und Hinterräder, die auf die spezifischen Leistungsanforderungen und Belastungen des Mountainbike-Fahrens abgestimmt und optimiert sind. Ein konformes, abgestimmtes Vorderrad verbessert das Handling und maximiert die Haftung und Kontrolle in Kurven. Eine breitere innere Felgenbreite unterstützt ein breiteres Reifenprofil vorne, erhöhtes Volumen und eine größere Aufstandsfläche und rundet das Reifenprofil ab, um das Kurvenverhalten zu verbessern. Das steife, getunte Hinterrad unterstützt Spitzenlasten und verbessert die Stabilität und Spurtreue bei der Geschwindigkeit. Eine schmalere innere Felgenbreite unterstützt ein schmaleres Reifenprofil hinten, verbessert den Rollwiderstand und schärft die Reifenkante für mehr Grip.
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Crankbrothers Size Chart
Crankbrothers uses sizing primarily for cycling shoes and Stamp flat pedals. Shoes use a unisex size system with EU, UK, US Men's and US Women's conversions. Stamp pedals are offered in Small or Large platform sizes selected according to shoe size.
Cycling Shoes – Official Size Conversion
| EU | UK | US Men | US Women | Foot length / MM |
|---|---|---|---|---|
| 35 | 2 | 3* | 4.5 | 220 mm / 22.0 cm |
| 36 | 3 | 4* | 5.5 | 228 mm / 22.8 cm |
| 37 | 4 | 5 | 6.5 | 235 mm / 23.5 cm |
| 37.5 | 4.5 | 5.5 | 7 | – |
| 38 | 5 | 6 | 7.5 | 242 mm / 24.2 cm |
| 39 | 5.5 | 6.5 | 8 | – |
| 39.5 | 6 | 7 | 8.5 | 252 mm / 25.2 cm |
| 40 | 6.5 | 7.5 | 9 | 256 mm / 25.6 cm |
| 41 | 7 | 8 | 9.5 | 262 mm / 26.2 cm |
| 41.5 | 7.5 | 8.5 | 10 | 265 mm / 26.5 cm |
| 42 | 8 | 9 | 10.5 | 270 mm / 27.0 cm |
| 43 | 8.5 | 9.5 | 11 | 275 mm / 27.5 cm |
| 43.5 | 9 | 10 | 11.5 | 280 mm / 28.0 cm |
| 44 | 9.5 | 10.5 | 12 | 283 mm / 28.3 cm |
| 44.5 | 10 | 11 | 12.5 | 286 mm / 28.6 cm |
| 45 | 10.5 | 11.5 | 13 | 290 mm / 29.0 cm |
| 46 | 11 | 12 | 13.5 | 295 mm / 29.5 cm |
| 46.5 | 11.5 | 12.5 | 14 | 300 mm / 30.0 cm |
| 47 | 12 | 13 | 14.5 | 305 mm / 30.5 cm |
| 48 | 13 | 14 | 15.5 | 310 mm / 31.0 cm |
| 49 | 14 | 15* | 16.5 | – |
Foot-length note: The current European Crankbrothers size chart additionally includes EU 37.5, 39 and 49. The separately published official MM / foot-length chart currently does not provide its own MM value for those three sizes. No interpolated or invented values have therefore been added. US Men's sizes 3, 4 and 15 marked with * are available only in selected styles according to Crankbrothers.
Shoe Fit
| Feature | Manufacturer guidance |
|---|---|
| Fit | Unisex fit |
| General sizing | Current Crankbrothers product pages describe the shoes as true to size |
| Wider feet | Crankbrothers recommends going up half a size |
| Clip-in models | Mallet, Mallet Trail and Candy use the Crankbrothers Match System and are compatible with 2-bolt MTB clip-in systems |
| Flat models | Stamp shoes are optimized for the contact surface of Stamp flat pedals |
Stamp 0 – Pedal Size by Shoe Size
| Pedal size | Recommended EU shoe size | US Men | Platform | Note |
|---|---|---|---|---|
| Small | up to approx. EU 43 / manufacturer range 37–43.5 | 3–10 | 102 × 101 mm | Manufacturer FAQ recommends Small through EU 43 |
| Large | from EU 43.5 / manufacturer range 43.5–49 | 10–15 | 116 × 112 mm | Manufacturer FAQ recommends Large from EU 43.5 |
Stamp 0 source note: The current EU product page lists Small as EU 37–43.5 in the feature copy, while the technical specification block shows EU 35 as the lower boundary. The current manufacturer FAQ gives the clearest practical crossover: Small through EU 43 and Large from EU 43.5. That crossover is the most useful value for selecting the size.
Stamp 1 Gen 2 – Pedal Size by Shoe Size
| Pedal size | Recommended EU shoe size | US Men | Platform | Weight per pair |
|---|---|---|---|---|
| Small | 37–43.5 | 3–10 | 100 × 100 mm | 321 g |
| Large | 43.5–49 | 10–15 | 114 × 111 mm | 348 g |
Stamp 7 – Pedal Size by Shoe Size
| Pedal size | Recommended EU shoe size | US Men | Platform | Weight per pair |
|---|---|---|---|---|
| Small | 37–43 | 5–10 | 100 × 100 mm | 345 g |
| Large | 43–49 | 10–15 | 114 × 111 mm | 375 g |
Stamp 11 – Pedal Size by Shoe Size
| Pedal size | Recommended EU shoe size | US Men | Platform | Weight per pair |
|---|---|---|---|---|
| Small | 37–43 | 5–10 | 100 × 100 mm | 299 g |
| Large | 43–49 | 10–15 | 114 × 111 mm | 325 g |
Important for Stamp pedals: The Small/Large boundary varies by model. Newer Stamp 0 and Stamp 1 Gen 2 models use slightly different recommendations from Stamp 7 and Stamp 11. Always use the chart for the exact pedal model.
Clip-In Pedals – Technical Sizes
| Model | Body / platform dimensions | Spindle length / Q-factor | Size selection |
|---|---|---|---|
| Mallet Trail | 78 × 74 mm | 57 mm | No Small/Large sizing |
| Mallet Enduro / Mallet E | 94 × 75 mm | 57 mm | No Small/Large sizing |
| Candy 1 | 67 × 74 mm | 52 mm | No Small/Large sizing |
| Double Shot 1 | Flat side 94 × 76 mm | 57 mm | No Small/Large sizing |
Clip-in pedals: Mallet, Candy and Double Shot are not selected as Small or Large according to shoe size. Pedal type, platform, spindle length and the correct Crankbrothers cleat / shoe interface are the relevant factors. Crankbrothers states that unapproved third-party cleats can negatively affect function and pedal lifespan.
How to Measure Foot Length
- Stand on a sheet of paper with your heel against a straight wall.
- Mark the tip of the longest toe.
- Measure from the wall to the mark in millimetres.
- Measure both feet and use the longer measurement.
- For wider feet, Crankbrothers recommends going up half a size on current shoe models.
Safety notice: Pedals and cleats are safety-relevant bicycle components. Before every ride, check mounting, bolts, pins, cleats and bearings. Practise clipping in and out in a safe environment before using clip-in pedals in technical terrain. Installation and torque specifications for the exact Crankbrothers product always take priority.
Sources: official Crankbrothers EU Shoe Size Chart V2, official Crankbrothers Shoe Size Chart with MM values, current Crankbrothers product pages for Stamp 0, Stamp 1 Gen 2, Stamp 7, Stamp 11, Mallet Trail, Mallet Enduro, Candy 1 and Double Shot 1; current Crankbrothers products at fit-und-warm.ch for assortment alignment. Status 08/2026.