135mm rear. All the threads are fine, and the steel skewers are in great shape with no corrosion.
SHIMANO QUICK RELEASE SKEWER FRONT WHEEL AXLE 130mm LONG ALUMINIUM FOR QR HUB
Shimano Quick Release Skewer Set 100mm-135mm Black Retro MTB
Bike thru Axle Hub Adapter to Quick Release thru Axle Quick Release Skewer
NOS Shimano Dura-Ace 7700 Quick Release Skewer Rear 130mm (163mm)
Shimano Deore-XT Quick Release Skewer, Silver - Front - To fit 100mm hubs
Shimano Quick Release Bike Rear Wheel Skewer Retro 135mm Original 1990s MTB
