Box Two Alloy External Bottom Bracket

The Box Two Alloy External Bottom Bracket is a great upgrade for your bottom bracket and will work with all 24mm spindles and frames with 68 or 73 x BC 1.37-inch bottom bracket shells. Featuring machines alloy cups and precision sealed bearings.

FEATURES

• Forged CNC-Machined Alloy Cups
• High-Impact Anodizing
• 24mm Outboard Bearings
• ABS Plastic Sleeve
• Precision Abec-5 Sealed Bearings

SPECIFICATION

• COMPATIBILITY: Box Three™, Box Four™, Shimano® HollowTech II, RaceFace® X-Type
• MATERIAL: 6061-T6 Aluminum
• SHELL WIDTH: 68mm/73mm
• SPINDLE TYPE: 24mm
• THREAD: 1.37 Inch x 24 TPI
• WEIGHT: 105 grams / 3.7 ounces