Lezyne KTV Drive Pro 300+/Ktv Dr+ Headlight and Taillight Set MFPN=BCD0344 Chainline is 46 mm on

Chainline is 46 mm on a triple and 48 mm on a double crank

This has a higher surface hardness than stainless

up to 42 hours in battery saver mode

Shimano changed to this sometime in 2013

with a base layer

Lezyne KTV Drive Pro 300+/Ktv Dr+ Headlight and Taillight Set MFPN=BCD0344 Chainline is 46 mm onCompact yet powerful rear light that ensures optimal visibility and safety on your rides With a maximum output of 40 lumens, an impressive 45 hour runtime in Femto mode, and six different output modes, including Daytime Flash, this rear light provides reliable illumination The unique design is compatible with aero and round seatposts, ensuring versatility for various bike setups Utilizes our Wide Angle Optics lens design to provide 270 of visibility,