TLD D4 Polyacrylite MIPS Helmet - M-L - Stealth Black YGroup_7478780133421 BBT-9 Bottom Bracket Tool for

BBT-9 Bottom Bracket Tool for 16-Notch External Bearing Cups

Better suited to larger hands

Includes either a Shimano bearing preload tool or a 16mm hex for use with Race Face Cinch cranksets

Compatible with all Crank Bros MTB cleats

50mm valves will fit max 28mm deep rims

TLD D4 Polyacrylite MIPS Helmet - M-L - Stealth Black YGroup_7478780133421 BBT-9 Bottom Bracket Tool forD4. Redefining everything The reigning king of full face helmets, the D4 range expands with a Polyacrylite model packing the same safety and comfort features as the premium carbon and composite models into a price conscious shell. Details make the D4 the most coveted full face in mountain biking, including Mips C2 brain protection, an air intake system for ventilation, and an unmatched anatomical fit. This helmet is designed and intended exclusively