Hammer S1
avanti
Trail
Hammer S1 is an alloy trail mountain bike (2023), by Avanti, part of the Hammer family. This bike is aimed at riders looking for a balanced off-road setup, leaning toward a balanced riding position, and is well suited to natural trails and mixed off-road terrain. Metric-wise, it stands out for strong climbing friendliness for sustained uphill riding, a balanced ride feel between comfort and directness, and balanced, versatile speed for everyday riding. Add this bike to compare on MatchBikes.com and see how it stacks up against similar trail models.
6.6
Rating

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Score Summary
Performance
6.1
Fit
7.3
Performance
Built for speed and efficiency
Speed
5.0
Low
Climbing Efficiency
7.8
Climber
Suspension
6.0
Confident trail control
Fit
Dialed-in Fit & Comfort
Riding Position
6.7
Balanced
Fit Flexibility
6.6
Moderately Adjustable
Ride Comfort
7.8
Balanced
Value
Surface Range
Natural TrailsSpecifications
General
Brand
avanti
Model
Hammer S1
Year
2023
Category
Mountain
Sub Category
Trail
Groupset
NX Eagle
Wheels
27.5"
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 | 1.43 mm | 1.4 mm | 1.38 mm | 1.38 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 | 596 mm | 605 mm | 619 mm | 638 mm |
| Reach | 416 mm | 433 mm | 448 mm | 463 mm |
| Top Tube Length | 568 mm | 588 mm | 608 mm | 628 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 | 431 mm | 431 mm | 431 mm | 431 mm |
| Wheelbase | 1142 mm | 1163 mm | 1184 mm | 1205 mm |
| Bottom Bracket Drop | 38 mm | 38 mm | 38 mm | 38 mm |
| Standover Height | 743 mm | 758 mm | 773 mm | 783 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 |




























































