27.5"Mountain Bike SIRDAR S-900

  • 27 Speed
  • 27.5″ Anti-explosion & Anti-skid Tires
  • Aluminum Alloy and High Carbon Steel
  • Full Suspension Disc Brake
  • 2 Replaceable Seats
  • Outdoor Bike for Men & Women



  • 27 Speed Professional Mountain Bike: 3 gears front derailleur and 9 gears derailleur deliver 27 speeds of ultra smooth shifting, finger-type shifter. The front and rear double disc brakes provide powerful braking and it’s not easy to accumulate dust in the brakes.
  • Full Aluminum Alloy Frame: aluminum alloy body with high carbon steel parts, such as handle bar, chain. Sturdy materials can prevent bikes from damage, also on rainy days, strong enough to withstand any harsh environment.
  • Excellent Shock Absorbers: 27.5″ x 2″ wide tires with premium aluminum suspension fork to help you smooth over gravel. With 2 replaceable saddles, 1 x mountain cross-country saddle, 1 x wide soft saddle, suitable for mountain roads and highways.
  • 95% Assembled: 95% of the bike have been assembled, all you need to do is install the front wheel, handlebars, pedals and saddle. Then you can complete a 27.5″ SIRDAR S-900 mountain bike and enjoy the ride (All tools are included in the package).


  • Frame: 17″ Aluminium alloy frame
  • Tires: 27.5″ x 2″ WANDA hybrid trail tire
  • Handle bar & Chain: High carbon steel
  • F/Derailleur: Microshift FD-M20
  • R/Derailleur: Microshift RD-M219
  • Brakes: Dual disc brakes
  • Soft Wide Saddle: 10.5″L x 8.5″W
  • Mountain Cross-country Saddle: 10.75″L x 6″W
  • Bike Dimension: 69″L x 28″W x 41″H
  • Net Weight: 17kg
  • Color: Black

Additional information

Weight 19.5 kg
Dimensions 137 × 75 × 18.5 cm