45NRTH Wolvhammer BOA Cycling Boot - Slate Size 45 MFPN=EJE02154016 and the ratchet wheel is

and the ratchet wheel is generally used on the rear wheel

Clamp Diameter: 25

Requires 118/73 Powerspline Bottom Brackets (sold separately) Rings 32 Number of Chainrings Chain Retaining Single Drivetrain Speeds 12 Chainring BCD Direct Mount SRAM 3-Bolt Chainline/Hub Compatibility 135/142 MTB Hubs Color Black Crank Length (mm) 160 Crank Intended Use Mountain BB Included No Pedal Spindle 9/16" Spindle Interface Type TruVativ Power Spline Defined Color Black

1 Lock-On Grips - Gray

Defined Color Black PSI 40 TPI 60 Tire Type Tubeless Ready Clincher Tire Intended Use Mountain Color Black Tire Diameter 29" Tire Bead Folding Labeled Size 29 x 2

45NRTH Wolvhammer BOA Cycling Boot - Slate Size 45 MFPN=EJE02154016 and the ratchet wheel isMost winter boots arent made for riding bikes theyre too warm in some spots or not warm enough in others and theyre not optimized for pedaling. Wlvhammer BOA boots are the answer for winter riders. Designed and built for the rigors of real winter riding (deep snow slippery ice cold pedals) These winter bike boots are rated for comfort from 0 to 25F ( 18 to 4C) slotting between our Ragnark and Wlfgar boots. Rated for 0 to 25 F 18 to 4 C comfort The BOA