2025 mentech Chermin R
- Category
- Performance Road
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Carbon/Composite
- Fork
- Carbon/Composite
- Features
- Disc brake
Geometry
44 | 48 | 52 | 54 | 56 | 58 | 60 | |
Stack | 511.6mm | 524.6mm | 539mm | 546.6mm | 557.8mm | 575mm | 600.7mm |
Reach | 352.7mm | 364.4mm | 375.5mm | 383.3mm | 389.8mm | 399.2mm | 410.6mm |
Stack to Reach Ratio | 1.45:1 | 1.44:1 | 1.44:1 | 1.43:1 | 1.43:1 | 1.44:1 | 1.46:1 |
Seat Tube Length, C-T | 440mm | 460mm | 485mm | 510mm | 530mm | 555mm | 590mm |
Top Tube Length, Effective/Horizontal HT Top | 485mm | 505mm | 525mm | 540mm | 555mm | 575mm | 600mm |
Top Tube Slope | 10.5deg | 9.4deg | 8.1deg | 6.1deg | 5.3deg | 4.5deg | 3.7deg |
Head Tube Angle | 71deg | 72deg | 73deg | 73deg | 73.5deg | 73.5deg | 74deg |
Seat Tube Angle | 75.5deg | 75deg | 74.5deg | 74deg | 73.5deg | 73deg | 72.5deg |
Head Tube Length | 100mm | 110mm | 130mm | 140mm | 150mm | 170mm | 195mm |
Bottom Bracket Drop | 74mm | 74mm | 74mm | 72mm | 72mm | 70mm | 70mm |
Bottom Bracket Height | 265mm | 265mm | 265mm | 267mm | 267mm | 269mm | 269mm |
Chainstay Length | 406mm | 406mm | 406mm | 406mm | 406mm | 408mm | 408mm |
Chainstay Length Horizontal | 399.2mm | 399.2mm | 399.2mm | 399.6mm | 399.6mm | 402mm | 402mm |
Front-Center | 561.1mm | 568.2mm | 569.5mm | 579.9mm | 585.1mm | 599.9mm | 613.6mm |
Front-Center Horizontal | 556.2mm | 563.4mm | 564.7mm | 575.4mm | 580.6mm | 595.8mm | 609.6mm |
Wheelbase | 955.4mm | 962.6mm | 963.9mm | 975mm | 980.2mm | 997.7mm | 1011.5mm |
Fork Offset/Rake | 50mm | 50mm | 45mm | 45mm | 45mm | 45mm | 45mm |
Fork Length (Axle-To-Crown) | 380mm | 380mm | 370mm | 370mm | 370mm | 370mm | 370mm |
Trail | 63.9mm mid/​neutral | 57.6mm mid/​neutral | 56.6mm mid/​neutral | 56.6mm mid/​neutral | 53.5mm mid/​neutral | 53.5mm mid/​neutral | 50.4mm mid/​neutral |
Mechanical Trail | 60.4mm | 54.8mm | 54.1mm | 54.1mm | 51.3mm | 51.3mm | 48.4mm |
Wheel Flop | 19.7mm | 16.9mm | 15.8mm | 15.8mm | 14.6mm | 14.6mm | 13.4mm |
Standover Height | 727.5mm | 742.3mm | 767.9mm | 787.5mm | 803.7mm | 824.8mm | 860mm |
Tire to Pedal Spindle | 52.1mm 170 mm cranks | 59.2mm 170 mm cranks | 60.5mm 170 mm cranks | 70.9mm 170 mm cranks | 76.1mm 170 mm cranks | 90.9mm 170 mm cranks | 104.6mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 95mm 170 mm cranks | 95mm 170 mm cranks | 95mm 170 mm cranks | 97mm 170 mm cranks | 97mm 170 mm cranks | 99mm 170 mm cranks | 99mm 170 mm cranks |
R Build
44 | 48 | 52 | 54 | 56 | 58 | 60 | |
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 28mm | 28mm | 28mm | 28mm | 28mm | 28mm | 28mm |
Tire Outer Diameter | 678mm | 678mm | 678mm | 678mm | 678mm | 678mm | 678mm |
Bike Length with Tires | 1633.4mm | 1640.6mm | 1641.9mm | 1653mm | 1658.2mm | 1675.7mm | 1689.5mm |
Published Sizing Recommendations
Height | 156 cm to 162 cm | 162 cm to 167 cm | 167 cm to 172 cm | 172 cm to 177 cm | 177 cm to 182 cm | 182 cm to 188 cm | 188 cm to 195 cm |
PBH | 73 cm to 76 cm | 75 cm to 78 cm | 77 cm to 80 cm | 79 cm to 82 cm | 81 cm to 85 cm | 84 cm to 89 cm | 88 cm to 93 cm |
Stack and Reach vs. Category Trend
Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive
The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.
Learn more about the Upright/Aggressive ScaleCategory Trend
Performance RoadSource:https://store.mentech.com/
