Hammer S1
avanti
Trail
Hammer S1 is an alloy trail mountain bike (2024), from Avanti, part of the Hammer family. It is a strong match for riders looking for a balanced off-road setup, with a setup that gives you a balanced riding position, and is well suited to natural trails and mixed off-road terrain. Its profile is strongest in areas like strong climbing friendliness for sustained uphill riding, a balanced ride feel between comfort and directness, and balanced, versatile speed for everyday riding. If this looks close to what you want, compare this bike on MatchBikes.com against similar models.
6.6
Rating

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Score Summary
Performance
6.1
Fit
7.2
Performance
Built for speed and efficiency
Speed
5.0
Very Low
Climbing Efficiency
8.0
Climber
Suspension
6.0
Confident trail control
Fit
Dialed-in Fit & Comfort
Riding Position
6.7
Balanced
Fit Flexibility
6.5
Moderately Adjustable
Ride Comfort
7.8
Balanced
Value
Surface Range
Natural TrailsSpecifications
General
Brand
avanti
Model
Hammer S1
Year
2024
Category
Mountain
Sub Category
Trail
Groupset
NX Eagle
Frame
Frame
AL-6061 Ultralight Butted tubing, 130mm travel, cartridge bearing pivots, 1.5" tapered headtube, PF92 BB, 12 x 148m
Suspension Fork
Rockshox Recon Gold RL Debon Air, 130mm, air spring, 1.5" taper, rebound adjust, lock-out, Boost 110 15mm axle
Rear Shock
Rockshox Delux Select+ RT Debon Air, rebound adjust
Suspension Type
Full
Drivetrain
Shift Levers
SRAM NX Eagle, 12sp
Rear Derailleur
SRAM NX Eagle
Cassette
SRAM PG-1230 Cassette, 11-50T, 12 speed
Crank
SRAM NX Eagle,DUB, 32T
Bottom Bracket
SRAM DUB Pressfit
Chain
SRAM NX Eagle
Wheels
Front Hub
Front: Alloy, 110x15mm 32H, Rear: Alloy 148x12mm, 32H
Rear Hub
Front: Alloy, 110x15mm 32H, Rear: Alloy 148x12mm, 32H
Rims
Alex EXR 27 Double-wall Alloy with eyelet 32H, Tubeless Ready
Spokes
Stainless Steel
Tires
Kenda Regolith, 29 x 2.4" Tubeless Ready, 120tpi
Brakes
Brake Type
Hydraulic Disc
Brake Description
Shimano MT420 hydraulic, 180mm rotors
Brake Levers
Shimano MT401 hydraulic
Cockpit
Handlebar
Syncros Hixon 2.0 31.8mm, with 12mm rise, 9 deg sweep
Grips
Syncros Pro Lock-on
Seat
Saddle
Syncros ER2.5
Seatpost
Syncros Duncan Dropper 31.6mm with internal cable routing
Geometry
| Measurement | SM | MD | LG | XL |
|---|---|---|---|---|
| Stack Reach Ratio | 1.426 mm | 1.391 mm | 1.376 mm | 1.372 mm |
| Bottom Bracket Height | 317 mm | 336 mm | 336 mm | 336 mm |
| Front Center | 714 mm | 735 mm | 756 mm | 777 mm |
| Rake | 51 mm | 51 mm | 51 mm | 51 mm |
| Trail | 92 mm | 99 mm | 99 mm | 101 mm |
| Stack | 603 mm | 612 mm | 626 mm | 645 mm |
| Reach | 423 mm | 440 mm | 455 mm | 470 mm |
| Top Tube Length | 575 mm | 595 mm | 615 mm | 635 mm |
| Seat Tube Angle | 75 ° | 75 ° | 75 ° | 75 ° |
| Seat Tube Length | 410 mm | 450 mm | 485 mm | 515 mm |
| Head Tube Angle | 67.5 ° | 67.5 ° | 67.5 ° | 67.5 ° |
| Head Tube Length | 95 mm | 105 mm | 120 mm | 140 mm |
| Chainstay Length | 438 mm | 438 mm | 438 mm | 438 mm |
| Wheelbase | 1149 mm | 1170 mm | 1191 mm | 1212 mm |
| Bottom Bracket Drop | 38 mm | 38 mm | 38 mm | 38 mm |
| Standover Height | 750 mm | 765 mm | 780 mm | 790 mm |
| Wheels | 27" | 29" | 29" | 29" |
| Rider Min Height | 158 cm | 168 cm | 178 cm | 186 cm |
| Rider Max Height | 171 cm | 180 cm | 189 cm | 199 cm |




























































