Trek 820 Mountain Bike
Specifications:
- Frame: Trek Custom Steel rack mounts 135 x 5 mm QR
- Fork: SR Suntour M-3030 coil spring 100 x 5 mm QR 75 mm travel
- Front hub: Formula FM21 alloy 100 x 5 mm QR
- Rear hub: Formula FM31 alloy 7-speed 135 x 5 mm QR
- Rims: Bontrager AT-550 alloy 36-hole Schrader valve
- Tires: 26 x 2”
- Shifters: Shimano Tourney EF41 7-speed
- Front derailleur: Shimano Tourney TY500 31.8 mm top swing dual pull
- Rear derailleur: Shimano Tourney TY300 long cage 34t max cog
- Crank: Shimano Tourney TY301 42/34/24 170 mm length
- Cassette: Shimano TZ500 14-28 7vit.
- Chain: KMC Z7 7-speed
- Pedals: VP-536 nylon
- Saddle: Bontrager Sport
- Seatpost: Bontrager alloy 29.2 12 mm offset 300 mm (XS S) 330 mm (M/L L) 400 mm (XL)
- Handlebar: Bontrager alloy 31.8 mm 15 mm rise 660 mm (XS S) 690 mm (M/L L XL)
- Grips: Bontrager SSR
- Stem: Bontrager alloy 31.8 mm Blendr compatible 7-degree
- Headset: 1-1/8” threadless
- Brakes: Tektro alloy linear-pull
Due to supply chain issues with certain bike suppliers, compatible components may be substituted at any time without notice.













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