CeramicSpeed PF4130 Road and MTB Bottom Bracket Coated Bike Accessories Brand_Burley Improves bike handling compared to

Improves bike handling compared to systems that load weight onto aerobars

5 lbs / 230 grams

No Zip-ties

T1-Quick strap gives a wide target for easy tightening

The Shimano GRX 800 groupset ensures seamless and efficient shifting

CeramicSpeed PF4130 Road and MTB Bottom Bracket Coated Bike Accessories Brand_Burley Improves bike handling compared toThe PF4130 bottom bracket is Press Fit into 41mm diameter shells that are 86. 5mm wide and mate most cranks with a 30mm spindle to that standard. If you have a BB86 frame and want to install a 386EVO crank or Rotor 30mm crank, this is the kit you need. CeramicSpeed bearings are installed in cups. The Standard Bearing has ceramic CS balls and hardened steel races. The Coated Bearing has the same balls running on hardened steel races with a 3 micron