Insight Euro ISIS Drive Bottom Bracket

Marsoni

M251S

$99.99

Get it in 3 business days with 1 day shipping. Friday, May 29

Insight Euro ISIS Drive Bottom BracketThe Insight ISIS Euro BB features forged aluminium cups, ultra smooth oversized sealed bearings, an ISIS style hollow chromoly spindle with bolts and spacers that let you slide the spindle within the BB to dial in the chain alignment. Available in 113mm or 118mm long spindle. Features: Isis style hollow chromoly spindle 15x1mm spindle bolts 2 spacers Weight: 277g (118mm) * Compatible with Isis style crank arms only and 68mm wide Euro BB shells.

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Set screws are poor quality and are sometimes powdercoated on the exposed threads. Leads to striped hex sockets and inability to tighten properly. Durable finish as evidenced by no visible damage after throwing parts across the shop in frustration. Ended up running self tapping screws thru parts to complete assembly.

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Reviewed in the United States on February 26, 2024

Verified Purchase

Carl L. Bradley

New York, US

★★★★★ 1

Kinda flimsy…

Thought the assembly was metal, it’s some kind of PVC.

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Reviewed in the United States on September 22, 2025

Verified Purchase

Hilda