SIDI Soft Instep 5 Closure System - Black/Gray ModelNumber=K1015 From One Way:

From One Way:

37 BB/Frame Interface English BB Shell Width (mm) 68 BB Shell Width (mm) 73 Weight 105 Spindle Interface Type Shimano Hollowtech II Spindle Interface Type RaceFace EXI Spindle Interface Type FSA MegaExo Defined Color Blue

Added derailleur durability combined with a LINKGLIDE cassette (cassette sold separately) extends the drivetrain's lifespan

- S3: “Narrow” intertrochanteric distance and high pelvic rotation (Flow and SuperFlow saddles)

SIDI Soft Instep 5 Closure System - Black/Gray ModelNumber=K1015 From One Way:The upper straps of the SIDI Soft Instep Closure System are integral components of SIDI cycling shoes contributing to a secure and personalized fit. These straps crafted from durable materials are designed to wrap around the upper part of the foot offering support and stability. Wide anatomical and padded strap has been reduced and coupled to soft thermo formed Eva increasing comfort and performance Distributes pressure evenly over the arch area