American Custom Bicycles in Steel, Titanium and Ti/carbon mix

Treeline S


Treeline S

Basic Build Kit

ForkSalsa Bearpaw 150 x 15
StemSeven Aluminum 3D forged superlight
BarThompson Aluminum Trail
PostThompson Elite
Wheel SetSurly Rolling Daryll 190mm/150mm QR
TiresSurly Big Fat Larry 26 x 4.7”
HeadsetCane Creek 40
CrankRaceface Ride 32 tooth narrow/wide
BrakesGroup Matching
SaddleFizik Antares

The Treeline S extends the range of your riding deep into winter’s snowy embrace, but this bike is so much more. Convertible to 27.5+, it’s a monster on the trails all summer long, too. Our Integrity™ straight-gauge titanium tubing makes the Treeline S ultra-durable and ready for whatever conditions your ride serves up.



Average Frame Weight (lbs.): 3.2

Tubeset: Seven’s Integrity 325™ Titanium

Features and Options

Standard Features: 44mm head tube

Optional Features: chain hanger, rack mounts, fender mounts, third bottle mount, cable routing options, electronic shifting, 26, 27.5, 29 wheel, custom name decal

Optional Features with Upcharge: single speed version, Rohloff hub, slider dropouts, carbon belt drive, S&S BTC couplers, custom color decals, custom paint

For a comprehensive matrix of features and options for all Seven models, please visit the features and options page.

Sevens can be built with your choice of components. For details and price quotes, please contact your retailer.