Wheels Manufacturing BB30A Frame to Hollowtech II Spindle Outboard Thread Together Bottom Bracket, Black Accessories_Transition Bags 5 oz/240 g (size 38)

5 oz/240 g (size 38)

MSW Chainrings

Maximum Tire Width: 38

Type: SLR39 Left/Right/Pair: Pair Speeds: 2/3x7s Ratio: 2 to 1 Color: Sil

yet it holds up well in moderately wet conditions

Wheels Manufacturing BB30A Frame to Hollowtech II Spindle Outboard Thread Together Bottom Bracket, Black Accessories_Transition Bags 5 oz/240 g (size 38)Machined aluminum shell threads together for precise bearing alignment and frame fit, reducing bottom bracket creaking and premature bearing wear. Replaceable Enduro bearings Made in the USA Spindle Interface Type: Shimano Hollowtech II BB Shell Width (mm): 73 Bottom Bracket Shell I. D.: 42 Defined Color: Black BB Frame Interface: BB30a Weight: 119 grams