Lighter, Stronger, and Softer than Stock Foam!
Fits stock seat on RX series, 2020-on full-size RR/RR-S and 2023-on XTrainer. Available in low, standard, and tall (choose above).
Looking for anything at all for your Beta that isn't listed? Please write tom@sierrabmw.com and I'll get it added for you! Dimensional weight listed.
Beta RX|RR|RR-S (20-), XTrainer (23-) Guts Phantom Seat Foam
Produced by Guts Racing for Beta