Compare bikes: Compare Specialized Sirrus (2017) vs. Trek FX FX 1 (2017) - Findabike

KMC X8, 8-speed w/reusable MissingLink

KMC Z51

Stout, forged alloy

Forged alloy, 48/38/28 w/chainguard

Front: Shimano Tourney, top swing, dual pull, 31.8mm band clamp - Rear: Shimano Altus, 8-speed

Front: Shimano Tourney TY51 - Rear: Shimano Altus M310

Shimano EF500, EZ Fire Plus, 8-speed

Shimano Altus EF500, 7-speed

Shimano, 8-speed, 11-32t

SunRace freewheel, 14-34, 7-speed

Steel, straight blades, fender/rack mounts

High-tensile steel w/lowrider mounts, CLIX dropouts

Specialized A1 Premium Aluminum, Fitness Geometry, fully-manipulated butted tubing, integrated lower bearing, fender/rack mounts

FX Alpha Silver Aluminium, DuoTrap S compatible, rack and mudguard mounts

1-1/8" threadless, sealed semi-cartridge bearings

Alloy, 4-bolt, 20-degree rise, 25.4mm clamp

Bontrager alloy, 25.4mm, 15 degree

Front: Specialized V-brake, alloy, loose ball bearings, 9mm, QR - Rear: Specialized, 8-/9-speed cassette body, QR

Front: Formula TK31 alloy - Rear: Formula FM31 alloy

700c, 6061 aluminum double-wall

Bontrager AT-750 double-walled alloy

Stainless, 14g

Front: Nimbus Reflect, 700x32mm, 26TPI, Flak Jacket protection - Rear: Nimbus Reflect, 700x32mm, 26TPI, Flak Jacket protection

Bontrager H2, 700x35c

Formula FM21 alloy front hub; Formula FM31 alloy rear hub; Bontrager AT-750 double-walled alloy rims

Front: V-brake, linear pull - Rear: V-brake, linear pull

Tektro alloy linear-pull

Specialized, alloy, 9-degree backsweep, 25.4mm

Bontrager Riser, 25.4mm, 30mm rise

Canopy Sport, steel rails

Bontrager Sport

Alloy, 12mm offset, 2-bolt clamp, 27.2mm

Bontrager SSR, 2-bolt head, 27.2mm, 12mm offset

Alloy, 4-bolt, 20-degree rise, 25.4mm clamp

Bontrager alloy, 25.4mm, 15 degree

Specialized Fitness platform