Hi Johnny,

Thanks for buying a Cervelo. I'm sure you'll like it!

1. I've not installed a Gossamer in a BBright frame yet, but based on SRM's and FSA's descriptions you probably want FSA's "BB-PF79/Di2" bottom bracket.
http://www.fullspeedahead.com/.../508/BBRIGHT-ADAPTER


In FSA's part number, BB stands for bottom bracket, PF stands for Press Fit, 79 refers to the width of the BBright frame's bottom bracket shell, and Di2 refers to the plastic sleeve between the bearings, which is small enough to leave space for electric wires outside.

I don't know of any other bottom bracket that would work with your chosen crank.

2. The Magura RT brakes include levers and hydraulic lines as well, fully filled with hydraulic fluid, 100% leak tested and ready to install. (Tip: If you leave a little extra length on the hydraulic line during assembly, you can easily cut off the part with air in it, and re-connect the line to the caliper without having to bleed the system.)

3. According to the Magura RT manual (on page 15), the lever fits in any handlebar with inside diameter between 19.55 and 20.5 mm.
https://www.magura.com/...-tt-1/downloads.html

Cheers,

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Damon Rinard
Engineering Manager,
CSG Road Engineering Department
Cannondale & GT Bicycles
(ex-Cervelo, ex-Trek, ex-Velomax, ex-Kestrel)