
PBR Standard Steel Sprocket 834 - 420 (37 Teeth)
Born from PBR's experience in competition, this standard steel sprocket combines robustness and meticulous finishing for the transmission of your trail, enduro, or urban utility bike. Designed to replace the original, it is aimed at riders looking for a reliable and durable part for their 420 chain.
Suitable for both urban and cross uses, this sprocket will be perfect for daily rides as well as off-road outings. Compatible with a wide range of small trails and 50–125 cc motorcycles, it is specifically referenced for certain YAMAHA TT-R models (e.g., TT-R 50 E, TT-R 125 LW Big Wheels E, TT-R 110 E) — check the transmission numbers for compatibility before installation.
Manufacturer Reference: 834 37 F