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Our on-line store is open 24/7 and we ship Monday through Friday, excluding some holidays. Orders received for products without shipping restrictions on its product page will ship the same business day when received before 12:00 p.m. PST. Orders in high demand will have an estimated production time listed on its product page and will ship according to the date listed.
Precisely machined for a perfect fit, the LRT-3 removes and installs the lockrings that retain direct-mount chainrings found on some Specialized®, Cannondale® and FSA® modular cranks. Features a 36 mm hex fitting for use with the Park Tool TWB-36 Crow Foot and a torque wrench (each available separately) to achieve proper torque. Heat-treated and plated 4140 steel construction ensures durability and long life.
Fits lockrings with 47–48 mm outside diameter and 4 or 8 notches including:
Cannondale® Hollowgram
FSA® BB386EVO
FSA® BB392EVO
FSA® MegaExo
Specialized® S-Works
We are a Seattle, WA based outdoor gear store with a mission to make climbing, backpacking, skiing & mountaineering accessible and enjoyable for everyone.
© 2026, Master Store
