This Tioga bottom bracket set comprises a pair British thread cups with bearing seals and an axle for 73 mm shells that is 122.5 mm long. The JIS taper axle of 122.5 mm long is perfect for a Shimano Deore XT M730 chainset/cranks and will work with a number of other triple chainsets too. The axle is the top of the range D7NL-H hollow version with polished bearing races, though oddly it is stamped D7NL-B (?). Tioga offered a range of BB cups and axles separately so the customer could select exactly what they needed.
- Sealed BB cup set: BB-301 – British thread
- Bottom bracket axle: D7NL-H – Hollow axle with polished races – 73 mm shell / 122.5 mm axle
- Weighs 312 grams total with bolts
- Available from @ 1992
- Made in Japan