Razorblade 29 IV SL Shimano Deore 12
simplon
Crosscountry
Razorblade 29 IV SL Shimano Deore 12 is a carbon cross-country mountain bike (2023), by Simplon, from the Razorblade lineup. It is best suited to a wide range of riders thanks to its fit flexibility, with a balanced riding position, while being best for smoother trails and efficient rolling. Its strongest points in the MatchBikes metrics are good fit flexibility for dialing in rider position, strong speed potential on smoother terrain, and all-round climbing capability rather than a narrow specialty. The trade-off to keep in mind is a value score that depends more on priorities than pure price efficiency. Use MatchBikes.com to compare this bike with nearby cross-country options.
Rating

Score Summary
Performance
Built for speed and efficiency
Fit
Dialed-in Fit & Comfort
Value
Specifications
General
Frame
Drivetrain
Wheels
Brakes
Cockpit
Seat
Geometry
| Measurement | XS | SM | MD | LG | XL |
|---|---|---|---|---|---|
| Stack Reach Ratio | 1.51 mm | 1.42 mm | 1.4 mm | 1.36 mm | 1.32 mm |
| Bottom Bracket Height | 314 mm | 314 mm | 314 mm | 314 mm | 314 mm |
| Front Center | 656 mm | 688 mm | 700 | 724 mm | 748 mm |
| Rake | 44 mm | 44 mm | 44 mm | 44 mm | 44 mm |
| Trail | 100 mm | 100 mm | 100 mm | 100 mm | 100 mm |
| Stack | 589 mm | 594 mm | 599 mm | 609 mm | 619 mm |
| Reach | 389 mm | 419 mm | 429 mm | 449 mm | 469 mm |
| Top Tube Length | 554 mm | 585 mm | 597 mm | 620 mm | 642 mm |
| Seat Tube Angle | 74.5 ° | 74.5 ° | 74.5 ° | 74.5 ° | 74.5 ° |
| Seat Tube Length | 360 mm | 400 mm | 430 mm | 460 mm | 530 mm |
| Head Tube Angle | 68.5 ° | 68.5 ° | 68.5 ° | 68.5 ° | 68.5 ° |
| Head Tube Length | 86 mm | 92 mm | 97 mm | 108 mm | 119 mm |
| Chainstay Length | 419 mm | 419 mm | 419 mm | 419 mm | 419 mm |
| Wheelbase | 1068 mm | 1100 mm | 1112 mm | 1136 mm | 1160 mm |
| Bottom Bracket Drop | 60 mm | 60 mm | 60 mm | 60 mm | 60 mm |
| Standover Height | 759 mm | 786 mm | 806 mm | 826 mm | 876 mm |
| Front Travel | 100 mm | 100 mm | 100 mm | 100 mm | 100 mm |
| Wheels | 29" | 29" | 29" | 29" | 29" |
| Rider Min Height | 156 cm | 163 cm | 171 cm | 179 cm | 185 cm |
| Rider Max Height | 166 cm | 174 cm | 182 cm | 189 cm | 195 cm |




























































