stainless steel Torx T25 bolt

8 Stems are fully forged 6061-T6 aluminum stems that have a 4-bolt handlebar clamp

4 Stems are fully forged 6061-T6 aluminum stems that have a 4-bolt handlebar clamp

The center tread

SHIMANO K04S Disc Brake Pads W/O Fin (DISCONTINUED) can be discounted stainless steel Torx T25 boltK04S Disc Brake Pads Compatible with Shimano Models: BR M9100, BR M9110, BR M8110, BR R9270, BR R8170, BR R9170, BR R8070, BR R7070, BR 4770, BR RS805, BR RS505, BR RS405, BR RS305, BR U5000, BR RX810, BR RX400 Sintered Metal pad provides consistent, high stopping power in wet or dry conditions with excellent durability Ventilated stainless steel backing plate for improved heat dispersion