Gemini PRÖPUS 80 mm - Width 740 - XC - Dimension: 18x7x82 cm


The GEMINI PRÖPUS bar/stem combo is a high-quality, elegant piece of carbon jewellery for XC riders with a penchant for light components and unique looks. The PRÖPUS, convinced the jury with a high degree of stiffness on snappy sprints and great comfort on rough descents. The tube geometry has been designed to provide both compliance and stiffness, depending on the direction the bars are loaded. At just 161 g, the PRÖPUS is extraordinary light, considering that we’re talking about 740 mm wide handlebars with a 50 mm effective stem! PRÖPUS models with an effective stem length of 50, 60, 70 80 mm are manufactured with 0 mm rise, -12 mm height, 5° upsweep and 7° backsweep. You can choose also 90 and 100 mm stem length with -25mm offset. Thanks to a special surface finish, the required clamping force is as low as 1.5 Nm and installation doesn’t require the use of assembly paste.




  • from 149 g. a 159 g. according to stem length (+/-5%.)
  • 740 mm. wide
  • 0 mm. rise
  • 5º upsweep
  • 7º backsweep
  • 50, 60, 70, 80. 90 and 100 mm. stem length
  • 3 itanium torx screws included
  • carbon fiber stem cap include
  • rider weight limit 90 Kg



KÄSTOR ‘ve been manufactured with MITSUBISHI MR70, the best intermediate modulus carbon fiber at the moment, following a high quality manufacturing process to warranty a high-end product.