Cannondale 1 crankset – BB30a – OPI SpideRing 40T – 172.5mm – 654g

I am selling a high-quality and very popular Cannondale 1 crankset for BB30a bottom brackets. It comes from a Cannondale Topstone (size M) and is in excellent condition.
The centerpiece is the legendary, one-piece machined OPI SpideRing SL with 40 teeth and X-SYNC technology.
Measurements & details (verified):
• Crank arms: Cannondale 1 (aluminum, top condition)
• Crank arm length: 172.5 mm (standard for Cannondale size M frames, verified)
• Chainring: OPI SpideRing SL 40T (1-speed / 1x)
• Spindle/axle: BB30a (the orange spind...