Fizik Terra Aidon X5 Off Road Saddle 160mm Wide Black RGroup_502AB98E62C685EE6E8A02985301D7B7ED06FEAE The Shimano BB-RS501 Bottom Bracket

The Shimano BB-RS501 Bottom Bracket Right & Left Adaptors BSA Bearing is a high-quality threaded HOLLOWTECH II bottom bracket designed for 68/70 mm shell widths

Featuring the same race-proven geometry and technology as the Threshold Carbon

Using chromium carbide pin and roller technology

Strengthened boomerang base gives extra clearance for 4WD vehicles

Shimano's latest threaded bottom bracket offers improved sealing performance compared to its predecessor

Fizik Terra Aidon X5 Off Road Saddle 160mm Wide Black RGroup_502AB98E62C685EE6E8A02985301D7B7ED06FEAE The Shimano BB-RS501 Bottom BracketThe Fizik Terra Aidon X5 Off Road Saddle is a ride compliant e bike saddle specifically designed to enhance the experience of riding pedal assisted full suspension mountain bikes. Its short nosed design provides a more planted position, offering greater stability and control for heavier e MTBs. The saddle features a waved kick tail for lower back support and an ergonomic cut out to relieve pressure on sensitive areas, ensuring comfort during long