Note: Ships in 1-2 business days. Delivery time depends on the shipping method chosen at checkout. The Box Two 24mm External Bottom Bracket pairs cold-forged, CNC-machined alloy cups with dual-labyrinth bearing covers and precision sealed bearings for smooth, reliable performance. It is the perfect match for Box Three and Box Four cranks and a worthwhile upgrade over the budget bottom brackets sold with most cranksets. It fits all 24mm crank spindles and frames with 68 or 73mm threaded shells. Features: Stable outboard bearing position Precision ABEC-5 sealed bearings Specifications: Process: CNC-Machined Cups Material: Cups: Alloy; Sleeve: ABS Plastic Finish: Anodized Spindle Type: 24mm Shell Width: 68/73mm Thread: 1.37 Inch x 24 TPI (English) Compatibility: Shell: BSA (Euro) Threaded; Spindle: Box Three, Box Four, Shimano HollowTech II, RaceFace X-Type Weight (+/- 5%): 105 g / 3.7 oz
