Bosch Lockring For Mounting The Chainring (BDU3XX - YY) 1270016489
£10.49
Bosch Lock Ring BDU3XX. 1x Lockring. For mounting the Spider with mounted Chainring. TBS started when I found myself needing to bleed my mountain bike brakes. I got straight on the internet to look for a bleed kit suitable for the job.
