Bicycle Archive · Specification report

2021 Trek Fuel EX C Gen 5 Frameset

Velopedia Archive ID 900000809

Overview

Model year	2021
Brand	Trek
Model	Fuel EX C Gen 5 Frameset
Bicycle type	Mountain
Archive ID	900000809
Original MSRP	$1,599.93
Colors	Lithium Grey/Factory Orange
Sizes	XL (29" wheel)
Weight	M - 3.15 kg / 6.95 lbs

Frameset

Frame construction	XL: OCLV Mountain Carbon main frame & stays, internal storage, tapered head tube, Knock Block, Control Freak internal routing, Carbon Armor, ISCG 05, magnesium rocker link, Mino Link, ABP, Boost148, 130mm travel / XS, S, M, ML, L: OCLV Mountain Carbon main frame & stays, internal storage, tapered head tube, Knock Block, Control Freak internal routing, Carbon Armor, ISCG 05, magnesium rocker link, Mino Link, ABP, Boost148, 130mm travel
Frame material	Carbon fiber
Rear shock	XS, S: Fox Factory Float EVOL, RE:aktiv with Thru Shaft 3-position damper, Kashima Coat, tuned by Trek Suspension Lab, 210x52.5mm / S, M, ML, L, XL: Fox Factory Float EVOL, RE:aktiv with Thru Shaft 3-position damper, Kashima Coat, tuned by Trek Suspension Lab, 210x55mm

Cockpit & contact points

Headset	Knock Block Integrated, 58-degree radius, cartridge bearing, 1-1/8'' top, 1.5'' bottom
Stem	XS, S: Bontrager Line Pro, 35mm, 0 degree, 40mm length / M, ML, L, XL: Bontrager Line Pro, 35mm, 0 degree, 50mm length / M, ML, L, XL: Bontrager Line Pro, 35mm, Blendr compatible, 0 degree, 45mm length

Wheels & tires

Wheel size	29"

Geometry · 21.5" (XL) · High

Seat tube	500 mm
Effective top tube	662 mm
Head tube	120 mm
Head-tube angle	66.5°
Seat-tube angle	75.5°
Actual seat-tube angle	68°
Chainstay / rear center	435 mm
Wheelbase	1241 mm
Bottom-bracket drop	27 mm
Bottom-bracket height	346 mm
Reach	500 mm
Stack	623 mm
Standover height	776 mm
Fork offset / rake	43 mm
Trail	116 mm
Wheel size	29"

Geometry · 21.5" (XL) · Low

Seat tube	500 mm
Effective top tube	663 mm
Head tube	120 mm
Head-tube angle	66°
Seat-tube angle	75°
Actual seat-tube angle	67.5°
Chainstay / rear center	437 mm
Wheelbase	1242 mm
Bottom-bracket drop	34 mm
Bottom-bracket height	339 mm
Reach	495 mm
Stack	627 mm
Standover height	770 mm
Fork offset / rake	43 mm
Trail	119 mm
Wheel size	29"

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on August 22, 2026.