Shimano Ultegra FC-R8100 12-speed double Chainset

Shimano Ultegra FC-R8100 12-speed double ChainsetThe HollowTech II 12 speed Ultegra chainset offers an ideal balance of light weight and stiffness, making it the perfect choice for both enthusiast and competitive riders HollowGlide hollow outer chainring gives vast improvements in rigidity by virtually removing outer chainring flex and hugely improves shift performance, even under high load The chainring teeth have been developed to work in conjunction with 12 speed HG chains for increased contact

The wheelset’s 23mm internal width is perfect for running wider tubeless tires at reduced air pressure

The Ultra Rain Cape is a fully waterproof jacket that's stretchy enough to fit over either a jersey or Castelli's range of light Ristretto Technology winter jackets

Wheel Size: 14" inchWhy buy a Frog 40

faster and with stronger sidewalls

comfort and ventilation

2 1mm spacers

Charging & fully charged indicator

Junior Tektro brakes - with small

guaranteeing no rider left behind

Tubeless: our patented carcass construction is robust and impervious against damage from foreign objects

High durability and good cornering grip due to large and stable blocks

while the vertical stabilizer along the nape of the neck delivers enhanced ergonomic support