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A versatile and confidence-inspiring mountain bike, featuring a small frame and 27.5" wheels. Comfortable, practical and easy to ride, it’s a great choice for leisure cycling, everyday adventures and light trails.
A versatile and confidence-inspiring mountain bike, featuring a small frame and 27.5" wheels. Comfortable, practical and easy to ride, it’s a great choice for leisure cycling, everyday adventures and light trails.
Rockrider

DECATHLON ROCKRIDER ST 100 SMALL FRAME WITH 27.5 WHEELS

£120.00
Size Guide
Pre-Order

With Pre-Order, you can purchase the latest items added to our store in advance of them arriving with us.

Your Pre-Order is prioritised (at no additional charge); meaning that as soon as the product arrives with us, we can wrap it straight back up; ready for collection via Click & Collect or despatch to you — it often never even hits the stock room shelves!

Pre-Launch

With Pre-Launch, the date when we expect to receive the product ourselves is still a little too hazy to be confident in accepting Pre-Orders.

So, instead, you can submit your email address against the item you are interested in and we will email you as soon as stock arrives on the system.

Estimated Delivery & Collection Dates

Estimated Delivery & Collection Dates are given on Pre-Order and Pre-Launch products. They are for indication purposes only and can change at any time without notice.

The dates we provide are based on indications given by our suppliers. Whenever we get updated information from our suppliers we will endeavour to update the Estimated Delivery & Collection Dates provided on product pages.

We estimate this will be ready for despatch to you or collection via Click & Collect on Undetermined

DECATHLON ROCKRIDER ST 100 SMALL FRAME WITH 27.5 WHEELS

Season:2021

Brand:Rockrider

Code:2021DECROCKSMA275

The 2021 Decathlon Rockrider ST 100 is a versatile and easy-riding mountain bike that’s ideal for leisure rides, everyday cycling and exploring light trails. With its Small frame and 27.5" wheels, it offers a comfortable, confidence-inspiring ride with a practical setup that makes it a great choice for recreational cyclists.

Key Features:
  • Small frame – compact and comfortable riding position
  • 27.5" wheels – a great balance of control, stability and manoeuvrability
  • Front suspension – helps smooth out bumps and uneven surfaces
  • Multi-speed gearing – useful range for tackling varied terrain
  • Versatile design – ideal for leisure rides, paths and light trails
Condition:
Pre-owned bicycle in excellent overall condition, carefully selected for quality, condition and presentation. As with any pre-owned bicycle, there may be minor cosmetic signs of previous use, which are purely cosmetic and do not affect the bike’s performance.

Sizing Guide:
A Small Rockrider frame is generally best suited to riders around 150–164 cm (4'11"–5'5") tall. Rider proportions and personal preference can also affect fit, so we recommend checking sizing before purchase.

A fantastic-value bike that’s ready to ride and enjoy!
Technical Information
  • Brand
    Decathlon Rockrider
  • Model
    ST 100
  • Bike Type
    Hardtail Mountain Bike
  • Gender
    Unisex
  • Frame Size
    Small
  • Wheel Size
    27.5"
  • Rider Height
    Approx. 5'4"–5'9" (163–175 cm)
  • Year
    2021
  • Colour
    Black
  • Frame Material
    6061 Aluminium
  • Fork
    80mm Front Suspension Fork
  • Rear Shock
    None – Hardtail
  • Brakes
    V-Brakes
  • Shifters
    Microshift MS25 – 21 Speed
  • Rear Derailleur
    Microshift RD-M25 – 7 Speed
  • Crankset
    Rockrider Triple – 22/32/42T
  • Tyres
    B'Twin All Terrain Dry 27.5 x 2.0"
  • Rims
    27.5" Double-Wall Aluminium, 28-Spoke
  • Approx Weight
    15.4 kg
  • Original RRP
    £219
Sizing Information
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