Quiver

2020 Salsa Timberjack 27.5+ vs 2018 Trek Roscoe

The ML is the Trek Roscoe size closest to your M Salsa Timberjack 27.5+. We match frame stack and reach. This is a geometry comparison, not a fit recommendation; stem, spacers, handlebars and saddle setup also affect your riding position.

What changes on the Trek Roscoe

Compared with the Salsa Timberjack 27.5+ in M, the Trek Roscoe in ML places the top of the head tube 4 mm lower and 4 mm further back, relative to the bottom bracket.

Frame stack
−4 mm
Lower front end
Frame reach
−4 mm
Shorter frame reach
Wheelbase
n/a
One of the bikes has no number for this
Head angle
+0.7°
Steeper: sharper steering
Chainstays
n/a
One of the bikes has no number for this

The two frames

We can't draw these frames yet. The Salsa Timberjack 27.5+ numbers we have for size M are missing the chainstay length and wheelbase. The numbers below still compare.

Geometry side by side

MeasurementSalsa Timberjack 27.5+ MTrek Roscoe MLDifference
Reach426422−4 mm
Stack611607−4 mm
Head tube angle67.668.3°+0.7°
Seat tube angle73.271.0°−2.2°
Effective top tube611618+7 mm
BB drop5558+3 mm
Standover739741+2 mm
Seat tube length431.8444+12 mm
Fork length509not listed
Head tube length11090−20 mm
Chainstay lengthnot listed438
Wheelbasenot listed1134
BB heightnot listed318

Differences are the Trek Roscoe minus the Salsa Timberjack 27.5+. Full charts: 2020 Salsa Timberjack 27.5+, 2018 Trek Roscoe.

Where each sits in its class

Salsa Timberjack 27.5+Trek Roscoe

AggressivePositionUpright
CalmSteeringQuick
PlayfulBalancePlanted

Each bike is ranked against the other trail bikes on Quiver, on frame geometry alone. Not your hand position or ride feel.

What each ships with

The stock build of each bike's first listed trim. Parts that match are dimmed.

PartSalsa Timberjack 27.5+Trek Roscoe7
Framenot listedTrek Alpha Gold
Forknot listedRockShox Judy
Shifternot listedShimano Deore M6000
Derailleurnot listedShimano Deore M6000
Cassettenot listedShimano HG50
Chainnot listedKMC X10
Cranksetnot listedFSA Gamma Pro
Wheelsetnot listedFormula DC511
Tirenot listedSchwalbe Rocket Ron Performance
Hubnot listedFormula DC-511, Formula DC2241
Rimnot listedSun Ringlé Duroc 40 SL
Brakenot listedTektro M285
Stemnot listedBontrager Rhythm
Seatpostnot listedBontrager SSR
Saddlenot listedBontrager Evoke 1.5

Know what is on every bike.

Add your bike to Quiver. Keep its parts, setup, and service history together, then share your build.

Explore the app
A Transition Relay build sheet: frame, fork, shock and drivetrainThe Relay’s ride photo galleryThe Relay’s ride spectrum and 2D frame geometryThe garage: five bikes and 99 recorded partsA Specialized Tarmac SL8 road build sheet