Roadster R1 Road Bike

The price displayed here are in your currency preference. All checkouts will be in Singapore Dollars (SGD). Prices excludes shipping fees.

Shipping fees will only be calculated upon checkout. Maximum shipping is 20KG. If you are purchasing more than 1 bicycle (~14 to 16KG), please checkout each bicycle individually. If you making bulk purchases, contact us directly.

Roadster R1 Road Bike, is designed for mid and entry level athletes and competitors who want to maximise their performance for triathlons and competitions. Roadster’s vibration damping bamboo frame and a combination of quality racing gears, reduces the fatigue of riders and making it comfortable for long distance rides. Simple bikes is the first to build a performance racing bamboo bike that is approximately 9.5 to 10kg, making it comparable for most racing bikes in the market.


  • Shimano 105 5800 series (2x11 handchange, brake, crank, etc.)
  • Shimano pro saddle,Carbon fiber Stem Lock & Fork
  • Shimano PRO PLT Handler Bar.
  • Shimano Ultegra 6800 wheel set.

Dimensions for Rider Fitting

  1. Height
  2. Body (Chest to Foot)
  3. Leg (Hips to Foot)
  4. Thigh (Hips to Knee)
  5. Arms (Armpits to Middle of Palm)
  6. Shoulder Widths

Bamboo bike rider fitting diagram