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Trek Roscoe Gen 4 Frameset - 2026

Trek Roscoe Gen 4 Frameset
$699.99
Color: Lava
Size: Select size
Wheel Size: Select wheel size
Please select options Unavailable

Details

Roscoe Frameset is a build-your-own-adventure hardtail frame that's up to get down. Its Alpha Platinum Aluminum chassis delivers progressive hardtail trail geometry that's confident anywhere from fast and loose trails to dirt jump lines, and is designed to be paired with a 150mm fork. Build it however you dream, then chase down your rowdiest pursuits.

This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 300 pounds (136 kg).

Sizes:
Frame size letterSmallMediumMedium/LargeLargeX-Large
Wheel size 27.5" 29" 29" 29" 29"
Seat tube (cm) 33 37.5 40 42.5 45
Seat tube angle 73.1° 73.1° 74.1° 74.1° 75.1°
Effective seat tube angle 75.0° 75.0° 76.0° 76.0° 77.0°
Head tube length (cm) 9 10 10.5 12 14.5
Head angle 65.0° 65.0° 65.0° 65.0° 65.0°
Effective top tube (cm) 57.5 61.1 61.4 63.2 65.5
Bottom bracket height (cm) 31.1 31.2 31.2 31.2 31.2
Bottom bracket drop (cm) 4.5 6.1 6.1 6.1 6.1
Chainstay length (cm) 42.5 43 43 43 43
Offset (cm) 3.7 4.4 4.4 4.4 4.4
Trail (cm) 12.5 12.5 12.5 12.5 12.5
Wheelbase (cm) 113.9 118.6 120.3 122.4 126.5
Standover (cm) 71.4 73.5 74 74 74
Frame reach (cm) 41.5 44 45.5 47 50
Frame stack (cm) 60.4 64.4 64.8 66.2 68.4
Sizes:
SizeRider Height (cm)Rider Height (in)
Small 155 – 165 cm 5'1" – 5'5"
Medium 165 – 177 cm 5'5" – 5'10"
Medium/Large 173 – 180 cm 5'8" – 5'11"
Large 177 – 188 cm 5'10" – 6'2"
X-Large 188 – 195 cm 6'2" – 6'5"

Specs

Frame Alpha Platinum Aluminum, tapered head tube, ZS headset, internal derailleur & dropper post routing, ISCG 05, threaded BB, UDH, 148x12mm thru axle
Headset FSA Orbit, sealed cartridge bearing, 1-1/8'' top, 1.5'' bottom, 1.5 crown

* Subject to change without notice.

Part Numbers

Option UPC MPN Store SKU
Lava / Small / 27.5-inch 197216299349 5342166 TRE20725501A
Lava / Medium / 29-inch 197216299356 5342167 TRE19246236A
Lava / Medium/Large / 29-inch 197216299363 5342168 TRE20193484A
Lava / Large / 29-inch 197216299370 5342169 TRE19677781A
Lava / X-Large / 29-inch 197216299387 5342170 TRE20265416A

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