2025 Avanti Hammer S1
The 2025 Avanti Hammer S1 has a superlight 120mm-travel butted 6061 SL alloy frame engineered in Switzerland, with progressive down-country geometry featuring a longer reach and slacker head angle for a super-stable ride. Marzocchi's tough 130mm air-sprung Z2 Bomber fork, a custom-tuned X-Fusion rear air shock and a long-travel dropper post build confidence on tough trails, while wide rims and grippy 2.4" tubeless-ready tyres hook up on just about anything. Shimano Deore 12-speed shifting is built for years of hard riding.
Fork: Marzocchi Z2 Bomber air with RAIL damper, 15x110mm axle, 1.5" taper, 130mm travel
Rear Travel: 120mm
Rear Shock: X-Fusion 02 Pro R air, rebound adjust
Headset: Integrated threadless Syncros, tapered 1.5"-1 1/8"
Rear Derailleur: Shimano Deore 12-speed with clutch
Shifter: Shimano Deore 12-speed
Brakes: SRAM DB8 4-piston hydraulic, 180mm 6-bolt rotors
Crankset: Shimano Deore, 32T
Chain: KMC X12
Cassette: Shimano Deore, 10-51T 12-speed
Handlebar: Syncros alloy, 31.8mm, low rise, 9 degree sweep
Stem: Syncros alloy, 31.8mm, 6 degree rise
Seatpost: Syncros Duncan dropper, 31.6mm, internal routing
Saddle: Syncros Belcarra 2.5
Hubs: Formula Boost sealed bearing, 110x15 front, 148x12 rear, 32H
Rims: Alex DP-27 double-wall alloy, 32H, tubeless ready
Tyres: Kenda Regolith Pro, 29 x 2.4" tubeless ready, 120tpi
Grips: Syncros Pro lock-on
Frame Sizes: S, M, L, XL


