Planet X Kaffenback SRAM Apex 1 Mechanical
planetx
Endurance
Planet X Kaffenback SRAM Apex 1 Mechanical is a steel endurance road bike (2023), from Planetx, part of the Planet family. It suits a wide range of riders thanks to its fit flexibility, with a balanced riding position, and is well suited to rougher pavement and broken roads. Based on the metrics, key strengths are strong value-for-money versus many similar bikes, good fit flexibility for dialing in rider position, and strong climbing friendliness for sustained uphill riding. That said, compared with more specialized alternatives, the compromise is less emphasis on outright speed than speed-focused builds. This summary is a starting point—compare this bike on MatchBikes.com with similar bikes.
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 | SM | MD | LG | XL |
|---|---|---|---|---|
| Stack Reach Ratio | 1.39 mm | 1.44 mm | 1.47 mm | 1.48 mm |
| Bottom Bracket Height | 264 mm | 264 mm | 264 mm | 264 mm |
| Front Center | 594 mm | 595 mm | 605 mm | 620 mm |
| Rake | 46 mm | 45 mm | 50 mm | 51 mm |
| Trail | 68 mm | 63 mm | 58 mm | 53 mm |
| Stack | 531 mm | 553 mm | 572 mm | 593 mm |
| Reach | 381 mm | 385 mm | 389 mm | 402 mm |
| Top Tube Length | 530 mm | 545 mm | 565 mm | 585 mm |
| Seat Tube Angle | 74.5 ° | 74 ° | 73 ° | 73 ° |
| Seat Tube Length | 480 mm | 500 mm | 520 mm | 540 mm |
| Head Tube Angle | 71 ° | 72 ° | 72 ° | 72.5 ° |
| Head Tube Length | 125 mm | 145 mm | 165 mm | 185 mm |
| Chainstay Length | 420 mm | 420 mm | 420 mm | 420 mm |
| Wheelbase | 1008 mm | 1009 mm | 1025 mm | 1040 mm |
| Bottom Bracket Drop | 72 mm | 72 mm | 72 mm | 72 mm |
| Wheels | 700 | 700 | 700 | 700 |
| Rider Min Height | 158 cm | 168 cm | 178 cm | 186 cm |
| Rider Max Height | 171 cm | 180 cm | 189 cm | 199 cm |




























































