Need to adjust your riding position on the Swoop, Stoker, or RFA? We have just the kit for you! Our Sizing FitKit allows you to customize your fit to make sure your ride is perfect for you. It comes in two sizes S and L (our bikes come standard with the Medium FitKit) Check below for the dimensions for each kit.


Step 1 Select Your Size: 
  • 40
  • 163


If you are shorter than 5'3" you may wish to have a smaller handlebar stem to accommodate a shorter reach. If you are taller than 6'3" you may wish to have a longer seat post and handlebar stem for a more comfortable ride. You can add a FitKit to your cart in order to adjust your positioning on the bike accordingly.

Small FitKit (Stem/Seatpost)

300mm seatpost, 0mm offset, 31.6mm diameter

60mm stem, 31.8mm clamp

Medium FitKit (Stem/Seatpost) (comes standard on our bikes; not available separately) 

400mm seatpost, 5mm offset, 31.6mm diameter

90mm stem, 31.8mm clamp

Large FitKit (Stem/Seatpost) 

450mm seatpost, 10mm offset, 31.6mm diameter

120mm stem, 31.8mm clamp


A flat fee of $10 will be added to accessory orders shipping within the continental United States.
For accessory orders shipping to Canada, the flat fee is $50. For accessory orders shipping to Alaska, Hawai’i, or Puerto Rico, the flat fee is $70.