Hatta R9400 NJS Track Bottom Bracket ISO Taper Due to higher pressures seen

Due to higher pressures seen in Road Tubeless applications

These Bottom Brackets only suit FC-7710 Dura-Ace Track Cranks

The #401 is near identical to the #401-SUS75

2 x Anodised aluminium tuning caps

Increased surface area evens the load and provide better support to the carbon when a stem is mounted and tightened

Hatta R9400 NJS Track Bottom Bracket ISO Taper Due to higher pressures seenHatta is a common name in the NJS and one of the R9400 is one of the most commonly used ISO Bottom brackets on the market, due to Shimano no longer producing the BB 7600. COMPATIBILITY ISO Taper Cranks Shimano FC 7600 Suntour Supurbe Pro NOTES Despite much of the information online, these are not compatible with Sugino SG75 SG TAPER cranks. INCLUDES Crank Bolts and Washer Left and Right Cups (Mirror polished) Spindle with mirror polish race Dust