SIDI Nix S GTX Cycling Boot - Black/Black Size 44 MFPN=11.4315.011.030 Features Shimano's Quick Engagement technology Color:BLKOUT 210000139436 MFPN=ODS-403-BK ProTite is a proprietary

SIDI Nix S GTX Cycling Boot Black Black Size 44 MFPN=11.4315.011.030 Features Shimano's Quick Engagement technology Color:BLKOUT 210000139436 MFPN=ODS 403 BK ProTite is a proprietary Features Shimano's Quick Engagement technology which equips the hub with 18 16 notches and two sets of pawls to double the engagement and optimize traction for faster acceleration Color Black Skewer Included No Rear Axle 12mm Thru x 157mm Cassette Body Type Shimano Micro Spline Bearing Type Loose Ball Weight 310 Spoke Interface J Bend Defined Color Black Hub Drilling 28 Hub Brake Compatibility Center Lock Disc Neoprene cuff seals out snow without bulk