Stay Strong's tapered Cro-mo 20" Cruiser fork are manufactured with 20mm dropouts and are supplied with 10mm adapters in the package so you can run either a 20mm thru-bolt hub, or a 10mm bolt-up hub.

The treadless steerer tube is tapered from 1-1/8" to 1.5", has a built in bearing race and 31mm offset. 

Specs:

• Material: 100% 4130 heat treated Cro-moly
• Multi butted tubing
• Threadless 1-1/8-1.5" steer tube
• Alloy compression cap with etched logo (included)
• Weight: 800g (top cap included)
• Built in bearing race
  
• 31mm offset