Topeak DeFender M1/M2 Set vs SKS S-Board
Comparison 2026 — Fenders
Our verdict
Based on our weighted scoring, the Topeak DeFender M1/M2 Set edges out the SKS S-Board with an overall score of 82/100 against 75/100. It scores particularly well on coverage (80/100) and ease of mounting (90/100), making it the better all-round pick in Fenders.
The SKS S-Board remains a sensible alternative if price is your main concern — it lands at €15.00 versus €25.00.
Coverage winner
Topeak DeFender M1/M2 Set
18% higher than its rival
Value winner
SKS S-Board
5% better value for money
Specifications
| Specification | Topeak DeFender M1/M2 Set | SKS S-Board |
|---|---|---|
| Price | €25.00 | €15.00+67% |
| Rating | ★4.3 (2,450) | ★4.2 (1,680) |
| Overall | 82/100+9% | 75/100 |
| Dimensions | ||
| Wheel size | 26" / 27.5" / 29" | 26-28" / 700c |
| Width (M1) | 85 mm | — |
| Width (M2) | 75 mm | — |
| Weight (set) | 240 g | — |
| Width | — | 60 mm |
| Weight | — | 95 g |
| Material | — | Kunststof |
| Fitment | ||
| Tyre clearance | Tot 2.4" | Tot 35 mm+1358% |
| Mounting front | Voorvork-kroon snelspan | — |
| Mounting rear | Zadelbuis snelspan | — |
| Seatpost diameter | — | 25-34 mm |
| Mounting | — | Clip-on zadelpen, geen gereedschap |
Pros and cons
Topeak DeFender M1/M2 Set
Pros
- Purpose-built MTB design with wide coverage against mud and sand
- Fits 26", 27.5" and 29" wheels — future-proof if you upgrade
- Quick-release mounts on fork crown and seat tube, no tools required
- Removable for races or dry rides without leaving mounting marks
Cons
- Flexible construction can rattle at speed on tarmac
- Offers less complete coverage than frame-mounted 29er fenders
SKS S-Board
Pros
- Installs in 10 seconds with no tools — just clip on the seatpost
- Fits virtually any seatpost from 25-34 mm diameter
- Light (95 g) and removable for dry rides
- Affordable emergency option for unexpected Randstad rain showers
Cons
- Only protects your back — trouser legs and shoes still get soaked
- On bumpy cycle paths the board can slowly slip down over time