SIDI Nix Cycling Boot - Black/Black 43 Millennium Fit MFPN=041A720IKC002 29" wheels using Duroc 30

29" wheels using Duroc 30 rim (30mm outer/27mm inner width) with SunRinglé STR tubeless technology

35 Tubeless Folding Black/Dark Tan Dual EXO

Rings 50Number of Chainrings Chain Retaining SingleDrivetrain Speeds 12Chainring BCD Direct Mount SRAM 8-BoltChainline/Hub Compatibility 135/142 Road Disc Hubs < 415 mm ChainstayChainline/Hub Compatibility 135/142 Road Disc Hubs > 415 mm ChainstayColor CarbonCrank Length (mm) 172

36t Ratchet EXP driver for reliable engagement

SIDI Nix Cycling Boot - Black/Black 43 Millennium Fit MFPN=041A720IKC002 29" wheels using Duroc 30With the SIDI Nix cycling boot experience the perfect blend of eco friendly weather resistance and unmatched stability with the new Gore Tex EPE Membrane. Enjoy all the control without the extra weight thanks to anatomical heel construction and Firmor lateral support technology. The Millennium Fit combined with a wrapping strap and high density dialing system ensures incredible stability and comfort for every wearer. The R2CC sole with engineered