Spy Shot: Trek Session 650B Downhill bike


While Americans where attempting to sleep, Trek World Racing’s Brook Macdonald was getting ready to race the New Zealand National Championships. His secret weapon? A beautiful new paint job that partially masks the contours of his prototype 650b Trek Session.

It’s hard to tell was kind of special trickery the engineers at Trek have employed on this new bike, but the frame looks a little leaner than Ye ol’ Session, and the front triangle has a decidedly carbon look to it.

Spot anything we missed? Drop some knowledge in the comments section…


glopezz05 - 02/15/14 - 7:39am

That seat/top tube junction looks similar to the Top Fuel carbon models that were out a few years ago.

Quickie - 02/15/14 - 8:40am

Looks like a Session

dan - 02/15/14 - 9:35am

Yeh im not convinced that 650b is right for dh

Feldybikes - 02/15/14 - 10:58am

@Quickie, beat me to it

s - 02/15/14 - 12:15pm

@Quickie & Feldybikes
No audience here… ‘cept me.

Aa - 02/15/14 - 2:51pm

29er Enduros are the new 26/27.5 downhill rigs.

Seraph - 02/15/14 - 3:37pm

This was inevitable. 650b makes a lot of sense for DH.

dude - 02/15/14 - 8:35pm

you missed the shock… looks like the one minaar won SA on, but different…

dudebro - 02/15/14 - 8:37pm

dat shock…

Ahod - 02/16/14 - 12:29am

The rear shock is a prototype RAD inspired shock. The piggyback unit is shorter, someone posted about it on another website.

Michael - 02/16/14 - 12:40am

More interesting is Bulldog is running clips!

Fuzzy_mc - 02/16/14 - 2:49am

What rear shock is that? Looks like it could be a proto Cane Creek or TTX ohlins.

ride_whenever - 02/16/14 - 3:54am

Looks more like the fox rad, the ohlins is more gold and yellow

Shu Arvilla - 02/16/14 - 11:05am

Saw it at an Exterra race

Ripnshread - 02/16/14 - 11:41am

Really dont think that is carbon. Looks more like hydroformed and heavily painted alu.

Alex - 02/16/14 - 2:19pm

650b DH bikes make sense for taller riders just as 29″ wheels do for AM/Trail.

If this is a prototype then it likely isn’t carbon unless it’s very close to production (when you consider the costs to tool up for carbon production).

That or it’s a stock Sessions front triangle (or near-production prototype 26″ front triangle) and they’ve done their mods to fit the 650b rear wheel to the alloy rear end.

Either way Trek let me know when this will be available in an adult-sized XL and I’ll put down a deposit.

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