Sidi RR Fast 2 Aerolight

45
Delivered between Thu, 23.7. and Fri, 24.7.
5 pieces in stock at third-party supplier
Supplied by
free shipping

Size5

Product details

The RR Fast 2 Aerolight by Sidi is a highly developed cycling shoe designed for demanding cyclists. With its proven durability and excellent grip, it offers both comfort and performance. The innovative sole combines nylon and carbon fibers to ensure an optimal balance of stiffness and flexibility, reflected in a stiffness index of 5. The shoe perfectly adapts to the shape of the foot thanks to its soft upper material, providing an outstanding wearing experience. The adaptive closure allows for quick and precise adjustments, while the hidden heel stabilization keeps the foot secure throughout the ride. Sidi focuses on longevity by using only the best materials and ensuring that all parts are replaceable, allowing the shoe to be used for years.

  • Optimal stiffness and flexibility for best performance
  • Adaptive upper material for high wearing comfort
  • Micrometric closure for precise adjustment
  • Hidden heel stabilization for secure hold
  • Durable materials for long-term use.

Key specifications

Exact colour description
cement/ice whiteWhite
Target group
MenWomen
Bike area of use
Racing bikes

General information

Item number
62021535
Manufacturer
Sidi
Category
Cycling shoes
Manufacturer No.
474-012-4002-809-45
Release date
11.9.2025

Colour

Colour
White
Exact colour description
cement/ice whiteWhite

Material

Upper
Microfibre
Material
Carbon fibresNylonPolitex
Sole material
CarbonNylon

Target group

Target group
MenWomen
Age group
Adults

Shoe properties

Shoe size (EU)
45
Bike area of use
Racing bikes
Fabric properties
BreathableLightweight construction
Sole hardness
Hard
Season
Summer

Origin

Country of origin
Italy

Voluntary climate contribution

CO₂ emissions
6.32 kg
Climate contribution
CHF 0.15

30-day right of return and free return shipment
24 Months Warranty (Bring-in)
3 additional offers

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «Cycling shoes» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • 5.Ride Concepts
    0.4 %
  • 8.Fizik
    0.5 %
  • 8.Sidi
    0.5 %
  • 10.Crankbrothers
    0.7 %
  • 11.Lake
    0.8 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • 3.Fox
    4 days
  • 4.Crankbrothers
    5 days
  • 5.Sidi
    6 days
  • 6.Suplest
    8 days
  • 7.Northwave
    10 days

Return rate

How often is a product of this brand in the «Cycling shoes» category returned?

Source: Digitec Galaxus
  • 14.Van rysel
    38.8 %
  • 15.Trek
    40.1 %
  • 16.Fizik
    40.6 %
  • 17.Sidi
    44.3 %
  • 18.Suplest
    45.3 %
Source: Digitec Galaxus