Kryptonite Stronghold Anchor Black MFPN=21141 These direct mount chainrings will

These direct mount chainrings will replace your existing chainring and spider

} Dual-row flanged bearings press directly into 41mm ID smooth bore bottom bracket shells

Comes with SKF bearings and all hardware

Well defined pressure zones helps maintain optimal glide through both the loading and unloading phases of double poling

Steerer Type TaperedLockout Switch NoneBrake Type Post Mount 180Negative Spring AirTravel (mm) 160Offset 44Axle to Crown Length 552Front Axle 15mm Thru x 110mmMaximum Tire Width 81S

Kryptonite Stronghold Anchor Black MFPN=21141 These direct mount chainrings will16mm hardened carbon alloy steel shackle 5 8" cement anchor bolts (includes 2 masonry bits) Steel shackle lays flat within domed body when not in use TECH SPECS Misc Black