SIDI Algor Cycling Boot - Black/Black 47 Millennium Fit MFPN=DROPOUT-380 45mm range from minimum insertion

45mm range from minimum insertion to max insertion

The updated front spinner knob on our patented Speed Ratchet clamp head makes operation faster and the revised rotating clutch internals hold bikes more securely

Engineered for excellent chain retention and smooth power transfer Tooth Count 32 Drivetrain Speeds 12 Round or Oval Round Offset 1

Weight listed includes 160mm 1-piece rotor and mounting hardware

SIDI Algor Cycling Boot - Black/Black 47 Millennium Fit MFPN=DROPOUT-380 45mm range from minimum insertionExperience ultimate cold weather protection with PrimaLoft insulation ensuring warmth without extra weight. Enjoy all the stabilization and control with anatomical heel construction and Millennium Fit designed for both sneakerheads and casual wearers. The YKK Zip closure provides reliable and smooth operation while the X2NC sole with stiffness 7 and grip sole insert deliver peak performance and enhanced control. Reinforced toes and heels guarantee