Compare Disc Golf Discs
Pick two or more discs and see exactly how they differ - flight, feel, distance, and price, side by side.
Undertaker vs Bi
These 2 fairway drivers share the same flight numbers - the deciding factors are plastic selection, price, and availability.
Key differences
Flight Paths
Overhead view · right-hand backhand
Tap a disc to show or hide its path. Picks that share flight numbers are nudged apart so each one is visible. Estimated from flight numbers.
Undertaker or Bi?
The Undertaker and Bi fly almost identically (9/5/-1/2). Choose the Undertaker for far more plastic and weight options (39 blends) and easier availability; choose the Bi to spend less.
We earn a commission on purchases through these links, at no cost to you. Affiliate disclosure.
FAQ
Is the Undertaker or Bi more overstable?
They are equally stable (both +1) - turn -1/-1, fade 2/2.
Should a beginner pick the Undertaker or Bi?
Both rate the same for beginners (42/100). Pick by feel and price.
What is the difference between the Undertaker and Bi?
The Undertaker and Bi fly almost identically (9/5/-1/2). Choose the Undertaker for far more plastic and weight options (39 blends) and easier availability; choose the Bi to spend less.
Which is cheaper, the Undertaker or Bi?
The Bi is cheaper, starting around $15.99 vs $17.99.
