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Spiuk Altube-M MTB Shoes
The Altube shoes are competitive and dynamic. Based on quality and attention to detail, they are designed to deliver safety and style. The Boa® Fit System ensures accurate and easy fit, thus delivering optimal performance with every pedal stroke. Highly versatile, these shoes come in four purpose-specific versions: Pro/Competition, Pro/XC, Road and MTB.
  • Extremely lightweight upper, strong and easy to keep clean. - Textured reinforced pads on areas where abrasion is likely to occur.
  • Drilling Shell System: moisture management technology through vents.
  • The Boa® Fit System for close fit. Power Transfer Strap in front for accurate, easy fit.
  • XC-S sole: stiff and light. Polyamide base with high-resistance TPU heelpiece and toecap protection.
Carlos Alberto Melo Excelente produto
JH Only used once, but comfortable with the Boa dial and stiff enough for me. I’m normally a 44, 45 in Shimano but needed a 46 in these (fairly true to the Spiuk size chart). Merlin returns were quick and easy when I swapped for the bigger size.
Rick v Excellent mtb shoes with the impressive boa lacing system amazing price and great service from merlin cycles yet again
Damir I am relatively new cyclist but these shoes make difference for sure. Shoes are transferring all your power/energy on pedals , you can really feel the difference. Shoes are stiff, firm I was already afraid that maybe to much for my taste. But at the end when you are on the bike you can really enjoy when powering down the road. Watch out on sizes . Usually I wear UK12/US13/EU47 shoes, here I had to buy EU size 49. If you have troubles selecting proper size just check mondopoint in cm like for skiing boots . Mine was 30,5 cm/size 49.