BLACKBEARING Headset Bearing - D2 - 40 x 52 x 7 mm 45/45° hose cutter Leak-Free Sealing: Includes an O-ring

Leak-Free Sealing: Includes an O-ring to ensure a tight and secure hydraulic seal

the rim is tubeless-ready with no need of rim tape

Aero-Optimized Design: Designed for time trial and triathlon bikes

Don't let a faulty pump slow you down - grab the replacement and keep on working

Pedal Genie is used as a substitute for pedals while adjusting derailleurs on a bicycle without pedals

BLACKBEARING Headset Bearing - D2 - 40 x 52 x 7 mm 45/45° hose cutter Leak-Free Sealing: Includes an O-ringFeatures Durable Chrome Steel Construction: Built from SAE52100 Chrome Steel Balls and Rings, offering exceptional strength and wear resistance for reliable long term performance. Angular Contact Bearings: Optimizes load distribution and stability, enhancing steering precision and delivering smooth, effortless operation across various terrains. Advanced Sealing and Lubrication: Features specialized seals and premium grease for superior protection