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Home Products BSA English Threaded DUB Ultra-lite MTB Bottom Bracket
 

BSA English Threaded DUB Ultra-lite MTB Bottom Bracket

BENG-DUB-MT-BLK-ASMWS

$ 255.00

Size Guide
Crank
Bearing



  • Our BBInfinite DUB Ultra-lite Threaded External Cup Bottom Bracket System work with any DUB MTB (29mm) crank set on the market. This includes DUB, DUB WIDE, DUB SB+, DUB Ai and FAT. Weighing in at a skimpy 68 grams for the set, the Ultra-lite DUB bottom bracket delivers smooth, quiet, durable performance in an ultra-compact form factor that allows maximum clearance for power meter back plates. Installs with common socket-style, 16-notch tools such as the classic Shimano TL-FC33, Park Tools BBT-69.2, and many others.

    ATTENTION: Always "chase and face" your frame bottom bracket shell before installation. Threads must be absolutely clean and clear of debris. Frame bottom bracket shell must be faced to 73mm or 100mm depending on frame BB shell width.

    BBInfinite 16-Notch External Cup Bottom Bracket Tool (BBT-69.2 equivalent)

    Buy Today!

    16-Notch Socket Cup

    Installation made easy ♥

    Fits ALL 16-notch 44mm OD cups.

    Compatible with ALL BBInfinite Threaded Bottom Brackets: Shimano, Gxp, 30mm, DUB, and M30.

    Fits 16-notch rotor disc lockrings

    Made in the USA

    ABOUT OUR BEARING CHOICES:

    Ceramitech Bearings: Our Si3n4 hybrid ceramic bearings feature ultra-spherical silicon nitride balls matched to SAE 52100 chrome steel bearing races that have been processed with additional heat treatment and polishing steps. The result is a hybrid-ceramic bearing that lasts longer than any steel bearing with spin performance no steel bearing can rival. We’re so confident in the durability of our Ceramitech bearings that we back them with a Lifetime Bearing Exchange warranty. These bearings feature mid-contact seals for extreme performance and endurance. Each bearing comes lubricated with Kluber Isoflex Topas NB52. Lifetime warranty.

    ABEC-7 Steel Bearings: Crafted from SAE 52100 chrome steel, our BBInfinite ABEC-7 (ISO 492, Class 4) bearings are so buttery that you’d have to buy our Ceramitechs to find anything better. These bearings feature mid-contact seals for extreme performance and endurance. Each bearing comes lubricated with Kluber or Koyo. 1-Year Bearing Exchange Warranty.

    SRAM DUB Compatibility Chart

    BB Standard Crank SRAM Part# BBI Upgrade
    BSA MTB 73
    English Threaded    		 DUB MTB 00.6418.015.000
    00.6418.015.008    		 ABEC-7
    Ceramitech
    WS2
    BSA MTB 73
    English Threaded    		 DUB MTB WIDE 00.6418.015.005 ABEC-7
    Ceramitech
    WS2
    BSA MTB 73
    English Threaded    		 DUB MTB SB+ 00.6418.019.000 ABEC-7
    Ceramitech
    WS2
    BSA MTB 73
    English Threaded    		 DUB MTB Ai 00.6418.031.001 ABEC-7
    Ceramitech
    WS2
    BSA MTB FAT
    English Threaded    		 DUB MTB 00.6418.015.001
    00.6418.015.008    		 ABEC-7
    Ceramitech
    WS2

  • Technical Specifications

    Weight:

    WS2: 74g | CERAMITECH: 76g | ABEC-7 SS: 79g

    Frame Width: BSA 73mm English

    Frame Width: BSA 100mm English

    Frame Diameter: 1.37 x 24tpi English

    Spindle Diameter: DUB

    Bearing Size: 4030

    Ceramitech 4030 | ABEC-7 4030

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Bottom Bracket Selection Guide