Sorry, this product is no longer available!
SiDi Genius 5 Fit Carbon Mega Road Cycling Shoes is no longer available at Merlin Cycles. However you may find an alternative or updated product below.
Sidi Genius 5 Fit Carbon Mega Road Cycling Shoes

This item was discontinued 17th August 2015.

If you require help finding an alternative to this product please contact customer services.



The SiDi Genius 5 Fit Carbon is one of SiDi’s bestselling cycling shoes, high quality and well-made the Mega version is ideal for cyclists who have a wide, high-volume or high arched feet. The advanced fit adjustment is a marvel delivering a consistently amazing fit, for total comfort during any cycling outing.   


Mega Last:

Shaped and proportioned to comfortably fit larger feet, the Mega Last is specially designed for those who have a high arch, wide or high-volume feet.


Soft Instep 2

​The wide, curved strap of the Soft Instep Closure System combines with a thermo-formed EVA pad to distribute pressure evenly over the instep area. SiDi have made the system adjustable from either side so you can centre the pad perfectly. You can replace the entire system to ensure your shoe performs to the top level even after years of wear.


Millennium 4 Carbon Composite Sole

Constructed from carbon fibre injected in to a matrix of nylon, the Millennium 4 Carbon Composite Sole is more rigid than standard nylon. Durable, non-water absorbent and mechanically stable, the Millennium 4 Carbon composite Sole retains stiffness over time, despite prolonged hard usage and temperature changes.

Anti-slip toe insert and replaceable polyurethane heel pad make sure your foot stay in place with the Millennium 4 Carbon Composite Sole and add walkability. A standard 3 hole drilling system allows you to combine your shoe with the best pedal systems available, with printed 10 mm lateral and fore/aft cleat alignment in addition to a Look Memory Eyelet for simple and effective cleat alignment and replacement.


Caliper Buckle

A micrometric closure buckle which can be adjusted by lifting up the middle. Micro adjustment is handled by pushing the centre button for tooth-at-a-time movement. Easy to adjust during a race to give you the very best fit for any situation. Caliper Buckle closure for easy on-the-fly adjustment.


SiDi Heel Cup

A reinforced heel helps hold your feet in an optimal position. The extra strength also prevents the shoe losing its shape when exposed to prolonged pressure and extreme performance, so you can ride with confidence.


Velcro System

Integrated polymer teeth that lock in to place when you close the strap make for a more secure fit. With the strap becoming almost immovable, you can be sure of a secure fit.


Features of the SiDi Five Fit Carbon Mega Road Cycling Shoes:

  • Mega Last ideal for cyclists with a wide, high-volume or high arched feet
  • Soft Instep 2 Closure System for micro adjusted fit
  • Millennium 4 Carbon Composite Sole for a rigid and durable sole
  • Caliper Buckle closure for easy on-the-fly adjustment
  • Sidi Heel Cup for added durability and stable footing
  • Velcro Security System for strong-holding strap security
  • Cleat Fitting - 3 Bolt Look Type:  Yes
  • Sole Material:  Carbon fibre reinforced nylon
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Sizing Information for SiDi Shoes

UK US Sidi
3 4 36.5
3.5 4.5 37
4 5 38
4.5 5.5 38.5
5 6 39
5.5 6.5 40
6 7 41
6.5 7.5 41.5
7 8 42
7.5 8.5 43
8 9 43.5
8.5 9.5 44
9 10 45
9.5 10.5 45.5
10 11 46
10.5 11.5 47
11 12  
11.5 12.5 48
12 13  
12.5 13.5 49
13 14  
13.5 14.5  
14 15 50


Finally got road shoes that fit my wide feet at a great price, if they're anywhere as durable as my 12 year old Sidi Dominator's then I'll be set for a long time. They look great, are very comfy barefoot, look great and no hotspots after a couple hours of intense riding
A shoe that is made as advertized i.e. it is a mega fit that is made for us solidly built sprinters and crit riders. Great to see the Italians have realized that some of us weigh more than 60 kg's and have feet to match. These shoes are beautifully made and live up to SIDI 's standards and reputation for quality products.
A light well made shoe. The mega option gave me a chance to cater for my high instep without going up a size. Good advice from Merlin helped me select the correct size.
Great shoes. Stiff soles and good adjustability to get just the right fit
Excellent quality shoe with plenty of features. Comes with the ability to replace worn parts making it an excellent value for money purchase. Would recommend to anyone looking for quality shoe at a reasonable price. Wide fitting was the icing on the cake. Recommended.
Lighter, more supple upper, better top clip than earlier Genius model that I loved and wore for years. Great fit for narrow foot.
As an upgrade to my base model SiDi, these are an excellent pair of riding shoes. The sole is nice and stiff yet the shoes are still easy enough to walk in. The latching system is an improvement over my previous shoes which used a velcro strap. The latch can be easily adjusted mid-ride if desired, as I have done several times already. Very convenient. Feeling too tight? Loosen one notch. Too loose? Tighten it up a notch. I won't be able to go back to a velcro system again. Merlin were great with this transaction. The product arrived promptly and in good condition.
I have a wide foot & these shoes were more than accommodating. Comfortable fit, very light & well crafted. The italians know how to make a shoe.