SRAM Apex XPLR Rear Derailleur - 12-Speed Medium Cage 44t Max Black D1 MFPN=00.4020.555.005 but it is pretty warm

but it is pretty warm and might need a lighter-weight glove to complement this for the racer

An upgrade from our previous Nordic sock

Narrow-wide teeth prevent chain drop

Axle/Hub spacing 15x110mm TA Crown Material Aluminum Maximum Tire Width 81mm Primary Color Black Rake 46mm Damping Adjustments Extl rebnd low speed comp Maximum Rotor Size 220mm Lower Tubes Material Magnesium Damping Motion Control Spring Type DebonAir Brake Type Disc Stanchions Material Aluminum Travel 150mm Wheel Diameter 27

SRAM Model ID: FS-LYRK-ULT-D1

SRAM Apex XPLR Rear Derailleur - 12-Speed Medium Cage 44t Max Black D1 MFPN=00.4020.555.005 but it is pretty warmYou want your bike to do everything so you need gears that can do everything. The SRAM Apex XPLR derailleur hits the sweet spot of smooth jumps over a big gear range all with unmatched chain security and the simplicity of a 1x drivetrain. Quietly and quickly shift across our 12 speed cassettes with 44T large cogs knowing youll have the gears you need. Compatible with cassettes with 44t large cogs For use with SRAM 12 Speed Flattop chains Works with 12