For sale: Various parts for Trek Marlin 5 and 4. Location: Riyadh, Dhahrat Al-Badea. Contact via private message, thank you. ... Shimano 3x7 (21 speed) original set. Removed from a Trek Marlin bike. Specifications: Shimano Tourney. Shifter set (left and right). Without front crank. 7-speed rear cassette + chain. Rear hub. Complete with shifter cables and ready for installation. Original SR Suntour XCT 30 suspension fork from a Trek Marlin 5 bike. 100mm travel. Bontrager tires. Model: XR2 Size: 29 x 2.20 Location: Riyadh, Al-Badea.