Road
Mamtor
Flexible payment options available at checkout
Payment secures your place in the current batch
Summer batch Shipping:
August 2026
Road
Mamtor
Flexible payment options available at checkout
Payment secures your place in the current batch
Summer batch Shipping:
August 2026
Road
Mamtor
Flexible payment options available at checkout
Payment secures your place in the current batch
Summer batch Shipping:
August 2026
Road
Mamtor
Flexible payment options available at checkout
Payment secures your place in the current batch
Summer batch Shipping:
August 2026
/Mam·tor/
The Mamtor is designed to be the bike you reach for first. Its geometry and structure resolve the competing demands of contemporary road riding into a single, assured form. Smooth tarmac, broken lanes, the final stretch home at speed - it holds its line and so you don’t have to.
What makes the Mamtor special is its sense of inevitability. Every decision supports a ride that feels natural and composed, as if the bike could not be otherwise. It is built for riders who value how something is made as much as how it is used - a road bike intended to be chosen again and again.
Specifications
Frame | Columbus Life tubing joined to our proprietary 3D printed stainless steel dropouts, head tube and seat cluster Frames hand-built in London |
Fork | Enve All-Road In-Route 100x12mm carbon fork with 1.1/2"-1.1/8" tapered steerer Mudguard Mounts |
Paint & Protection | Each frame is hand-painted in the UK in Quirk signature colourways |
Components | Enve In-Route Aero Stem and spacers colour-matched to frame UDH hanger (SRAM full mount derailleurs compatible) Quirk signature 3D printed titanium top cap Chris King AeroSet bearings Quirk integrated seat clamp Front and rear 12mm axles |
Mounts | 2 sets of bottle bosses Front and rear mudguard mounts |
Compatibility | Compatible with Shimano Di2, SRAM AXS and Campagnolo Wireless electronic road and gravel groupsets Chainsets - Double - max size 53-39T. Single - max size 46T Bottom bracket - T47 68mm (not included) Front Mech - 31.8mm band-on (not included) Seatpost - 27.2mm (not included) Seatpost clamp - Internal wedge system with T25 bolt Rotors - 160mm max front and rear SHIS Headset specification – IS52 | IS52 |
Tyre Clearance | Max measured width – 700 x 40 Max with guards 700 x 30 (35mm guards) |
Rider Weight Limit | Rider weight Limit – 110kg |
Warranty | 5 Year warranty on Frame & Forks 2 year warranty on components Limited to original purchaser |
Framekit[Additional Components] | |
Seatpost | Enve 27.2mm Carbon seatpost |
Bars | Enve SES AR Road In-Route Handlebar |
Rolling Chassis[Additional Components] | |
Seatpost | Enve 27.2mm Carbon seatpost |
Bars | Enve SES AR Road In-Route Handlebar |
Wheels | Enve SES 3.4 | SES 4.5 | AR40 carbon wheelset |
Tyres | Enve SES Road Tyre |
Frame | Columbus Life tubing joined to our proprietary 3D printed stainless steel dropouts, head tube and seat cluster Frames hand-built in London |
Fork | Enve All-Road In-Route 100x12mm carbon fork with 1.1/2"-1.1/8" tapered steerer Mudguard Mounts |
Paint & Protection | Each frame is hand-painted in the UK in Quirk signature colourways |
Components | Enve In-Route Aero Stem and spacers colour-matched to frame UDH hanger (SRAM full mount derailleurs compatible) Quirk signature 3D printed titanium top cap Chris King AeroSet bearings Quirk integrated seat clamp Front and rear 12mm axles |
Mounts | 2 sets of bottle bosses Front and rear mudguard mounts |
Compatibility | Compatible with Shimano Di2, SRAM AXS and Campagnolo Wireless electronic road and gravel groupsets Chainsets - Double - max size 53-39T. Single - max size 46T Bottom bracket - T47 68mm (not included) Front Mech - 31.8mm band-on (not included) Seatpost - 27.2mm (not included) Seatpost clamp - Internal wedge system with T25 bolt Rotors - 160mm max front and rear SHIS Headset specification – IS52 | IS52 |
Tyre Clearance | Max measured width – 700 x 40 Max with guards 700 x 30 (35mm guards) |
Rider Weight Limit | Rider weight Limit – 110kg |
Warranty | 5 Year warranty on Frame & Forks 2 year warranty on components Limited to original purchaser |
Framekit[Additional Components] | |
Seatpost | Enve 27.2mm Carbon seatpost |
Bars | Enve SES AR Road In-Route Handlebar |
Rolling Chassis[Additional Components] | |
Seatpost | Enve 27.2mm Carbon seatpost |
Bars | Enve SES AR Road In-Route Handlebar |
Wheels | Enve SES 3.4 | SES 4.5 | AR40 carbon wheelset |
Tyres | Enve SES Road Tyre |
Frame | Columbus Life tubing joined to our proprietary 3D printed stainless steel dropouts, head tube and seat cluster Frames hand-built in London |
Fork | Enve All-Road In-Route 100x12mm carbon fork with 1.1/2"-1.1/8" tapered steerer Mudguard Mounts |
Paint & Protection | Each frame is hand-painted in the UK in Quirk signature colourways |
Components | Enve In-Route Aero Stem and spacers colour-matched to frame UDH hanger (SRAM full mount derailleurs compatible) Quirk signature 3D printed titanium top cap Chris King AeroSet bearings Quirk integrated seat clamp Front and rear 12mm axles |
Mounts | 2 sets of bottle bosses Front and rear mudguard mounts |
Compatibility | Compatible with Shimano Di2, SRAM AXS and Campagnolo Wireless electronic road and gravel groupsets Chainsets - Double - max size 53-39T. Single - max size 46T Bottom bracket - T47 68mm (not included) Front Mech - 31.8mm band-on (not included) Seatpost - 27.2mm (not included) Seatpost clamp - Internal wedge system with T25 bolt Rotors - 160mm max front and rear SHIS Headset specification – IS52 | IS52 |
Tyre Clearance | Max measured width – 700 x 40 Max with guards 700 x 30 (35mm guards) |
Rider Weight Limit | Rider weight Limit – 110kg |
Warranty | 5 Year warranty on Frame & Forks 2 year warranty on components Limited to original purchaser |
Framekit[Additional Components] | |
Seatpost | Enve 27.2mm Carbon seatpost |
Bars | Enve SES AR Road In-Route Handlebar |
Rolling Chassis[Additional Components] | |
Seatpost | Enve 27.2mm Carbon seatpost |
Bars | Enve SES AR Road In-Route Handlebar |
Wheels | Enve SES 3.4 | SES 4.5 | AR40 carbon wheelset |
Tyres | Enve SES Road Tyre |
Geometry
49 (XS) | 52 (S) | 54 (M) | 56 (M/L) | 58 (L) | 61 (XL) | |
Stack | 527 | 546 | 558 | 579 | 599 | 617 |
Reach | 364 | 374 | 382 | 389 | 397 | 403 |
Seat Tube | 495 | 500 | 515 | 530 | 550 | 565 |
Top Tube | 521 | 537 | 548 | 561 | 575 | 586 |
Head Tube | 115 | 135 | 145 | 165 | 185 | 205 |
Head Angle | 71.0 | 71.0 | 71.5 | 72.0 | 72.0 | 72.0 |
Seat Angle | 73.5 | 73.5 | 73.5 | 73.5 | 73.5 | 73.5 |
Chainstay | 425 | 425 | 425 | 425 | 425 | 425 |
Wheelbase | 992 | 1008 | 1016 | 1021 | 1035 | 1047 |
Trail | 65 | 65 | 61 | 63 | 63 | 63 |
BB Drop | 75 | 75 | 75 | 75 | 75 | 75 |
Standover | 770 | 781 | 795 | 812 | 832 | 848 |
49 (XS) | 52 (S) | 54 (M) | 56 (M/L) | 58 (L) | 61 (XL) | |
Stack | 527 | 546 | 558 | 579 | 599 | 617 |
Reach | 364 | 374 | 382 | 389 | 397 | 403 |
Seat Tube | 495 | 500 | 515 | 530 | 550 | 565 |
Top Tube | 521 | 537 | 548 | 561 | 575 | 586 |
Head Tube | 115 | 135 | 145 | 165 | 185 | 205 |
Head Angle | 71.0 | 71.0 | 71.5 | 72.0 | 72.0 | 72.0 |
Seat Angle | 73.5 | 73.5 | 73.5 | 73.5 | 73.5 | 73.5 |
Chainstay | 425 | 425 | 425 | 425 | 425 | 425 |
Wheelbase | 992 | 1008 | 1016 | 1021 | 1035 | 1047 |
Trail | 65 | 65 | 61 | 63 | 63 | 63 |
BB Drop | 75 | 75 | 75 | 75 | 75 | 75 |
Standover | 770 | 781 | 795 | 812 | 832 | 848 |
Size Guide
XS | S | M | M/L | L | XL | |
Frame Size [cm] | 49 | 52 | 54 | 56 | 58 | 61 |
Height [cm] | 155-163 | 163-170 | 170-175 | 175-180 | 180-188 | 188-196 |
XS | S | M | M/L | L | XL | |
Frame Size [cm] | 49 | 52 | 54 | 56 | 58 | 61 |
Height [cm] | 155-163 | 163-170 | 170-175 | 175-180 | 180-188 | 188-196 |
We produce fewer than 30 frames per batch and they sell out quickly. Join the list to be the first to hear when the next frames become available.
We produce fewer than 30 frames per batch and they sell out quickly. Join the list to be the first to hear when the next frames become available.
Frequently Asked Questions
Dive into our replies to some of the most frequently asked questions you might have in relation to Quirk Cycles. Still in doubt? Please have a look at our contact form to get in touch with our Customer Care team.
Dive into our replies to some of the most frequently asked questions you might have in relation to Quirk Cycles. Still in doubt? Please have a look at our contact form to get in touch with our Customer Care team.
Can I buy a complete bike?
How do I choose the correct frame size?
What colours do you offer?
How do I choose components?
Where are Quirk bikes made?
Can I have custom geometry?
Where do you ship to?
Do prices include VAT and duty?
Made in London.
Engineered with precision.