PARK TOOL BBT-35 BOTTOM BRACKET TOOL Size:BBT-35-12 these individual road bike chainrings

these individual road bike chainrings are 11 speed compatible

Park Tool's in-house manufacturing ensures quality

The 373 model ensures perfect alignment and reliable shifting performance

Nylon and fiberglass sole is stiff for performance and power

PARK TOOL BBT-35 BOTTOM BRACKET TOOL Size:BBT-35-12 these individual road bike chainringsWith optimized profile mount for the perfect fit between tool and performance components. Anodized and laser engraved for easy identification and equipped with 3 8 "mount for ratchet or torque wrench. Compatibility BBT 35 12 notches Fits bottom bracket threaded connections with 12 notches with a large diameter (outside the notches) of 48 50 mm and a small diameter (inside the notches) of 46. 3 mm, including: Works M30, T47 Inboard BBT 35 36 notches