Serk A40 “The Fixer” Titanium All-Road Bike Frameset
Frame

Serk A40 “The Fixer” Titanium All-Road Bike Frameset

Weight1600g
Year2025
CategoryFrame

Reviews & Ratings

This Might Be the Last Road Bike You Ever Buy (Serk A40 Titanium Road Bike Review)
00:14:41

The reviewer praises the Serk A40 titanium frameset for its smooth ride quality, endurance geometry, and high-quality construction. He notes that it offers a similar riding experience to more expensive brands like Moots but at a lower price point.

AI Summary

Pros

  • Excellent ride comfort due to titanium frame, geometry, and wide tire clearance
  • High-quality weld quality and neat craftsmanship
  • Versatile tire clearance up to 40mm, optimized for 30-32mm but works well with 38mm
  • Backwards compatible with mechanical and electronic groupsets down to 8-speed
  • Includes fender mounts and T47 bottom bracket
  • Good value compared to US-made titanium frames
  • Lightweight build possible (claimed 6.9kg full bike, tested 8.25kg with pedals)
  • Understated aesthetic with engraved head tube badge

Cons

  • Handling is slow due to slack head angle (71.5°), less engaging for spirited riding
  • EXS handlebar/stem combo looks top-heavy and may not match frame proportions
  • Not ideal for chasing KOMs or racing; more of a grand tourer
  • Steering is on the slow side, sacrificing excitement for stability

Key Points

  • Frameset price: $2,500 (includes carbon fork and handlebar)
  • Complete bike starts from ~$4,300, tested build ~$6,800
  • Frame material: 3/2.5 titanium, hydroformed tubes
  • Tire clearance: up to 40mm
  • Head angle: 71.5°
  • Weight of tested bike (size 56): 8.25kg without pedals
  • Delivery time: ~2.5 weeks from China to Europe, custom paint 4 weeks
  • Company: Circ (Chinese brand, established ~12 years)
Purchase

Where to Buy

Serk A40 “The Fixer” Titanium All-Road Bike Frameset

Serk A40 “The Fixer” Titanium All-Road Bike Frameset

pandapodium.cc
pandapodium.ccAffiliate · MyBikeParts
🇺🇸$2,499.00 - $3,099.00
0.0 (0)
Checked about 2 months ago
pandapodium.cc
$2,499.00 - $3,099.00· pandapodium.cc
View Deals

Specifications

Attributes

Frame TypeGravel
Frame MaterialTitanium
Brake MountFlat Mount Disc
Bottom BracketT47
Seatpost
Front Axle12x100mm Thru-Axle
Rear Axle12x142mm Thru-Axle
Max Tire Width (mm)40
Headset Type
Di2 CompatibleYes
Max Chainring Size
UDH CompatibleYes
Includes Cockpit
UCI Legal
Stack : Reach1.51
2025 Base

Included Components

Serk A40 “The Fixer” Titanium All-Road Bike Frameset
Frame
1,600g
Serk carbon
Fork
435g
Serk Headset
Headset
Total Weight2,035g

Spotted an error in the specs? Help us correct it — sign in or create an account.

Similar Frames

Lightcarbon LCR018-DEndurance Road
83%LightCarbon
XS → XXS(470)83% Compare
S → 5066% Compare
M → 54cm69% Compare
L → L(560)47% Compare
XL → XL(580)45% Compare
XXL → XL(580)2% Compare
= Stack, Seat Tube Angle
Reach, Head Tube Angle, Chainstay, Wheelbase, Trail, BB Drop, Top Tube, TT Slope
$650 - $800
LightCarbon LCG072 "Aero Racing Gravel"Progressive Gravel
76%LightCarbon
XS → S25% Compare
S → S53% Compare
M → M76% Compare
L → L62% Compare
XL → XL66% Compare
XXL → XL6% Compare
= Head Tube Angle, Seat Tube Angle, Chainstay, Wheelbase
Stack, Reach, Trail, BB Drop, Top Tube
SEKA ExAero GR RDCAll-road/Gravel
75%Seka
XS → 4961% Compare
S → 5271% Compare
M → 5475% Compare
L → 5668% Compare
XL → 5867% Compare
XXL → 6152% Compare
= Head Tube Angle, Seat Tube Angle
Stack, Reach, Chainstay, Wheelbase, Trail, BB Drop, Top Tube, TT Slope
$2,531
Endurance Road
75%Canyon
XS → 2XS39% Compare
S → XS56% Compare
M → S75% Compare
L → M54% Compare
XL → L54% Compare
XXL → XL41% Compare
Stack, Reach, Head Tube Angle, Seat Tube Angle, Chainstay, Wheelbase, Trail, BB Drop, TT Slope
Endurance Road
74%Pinarello
XS → 46543% Compare
S → 51566% Compare
M → 53074% Compare
L → 55052% Compare
XL → 57528% Compare
XXL → 59521% Compare
= Head Tube Angle, Top Tube
Stack, Reach, Seat Tube Angle, Chainstay, Wheelbase, Trail, BB Drop, TT Slope
Endurance Road
74%Bianchi
XS → 47059% Compare
S → 50074% Compare
M → 53063% Compare
L → 57049% Compare
XL → 61040% Compare
XXL → 61022% Compare
Stack, Reach, Head Tube Angle, Chainstay, Wheelbase, Trail, BB Drop, Top Tube
Endurance Road
73%Lapierre
XS → S25% Compare
S → S63% Compare
M → M73% Compare
L → XL61% Compare
XL → XL56% Compare
XXL → XL2% Compare
= Head Tube Angle, Seat Tube Angle, Wheelbase, Top Tube
Stack, Reach, Chainstay, Trail, BB Drop, TT Slope
INCOLOR Voyager Gravel FramesetAll-road/Gravel
71%Incolor
XS → 4863% Compare
S → 5168% Compare
M → 5471% Compare
L → 5763% Compare
XL → 5726% Compare
= Head Tube Angle, Seat Tube Angle
Stack, Reach, Chainstay, Wheelbase, Trail, BB Drop, Top Tube, TT Slope
$1,999
LightCarbon LCG087 Gravel Frameset With Micro SuspensionAll-road/Gravel
70%LightCarbon
XS → XS 48029% Compare
S → 49046% Compare
M → M 50060% Compare
L → L 53070% Compare
XL → XL 56066% Compare
XXL → XL 56045% Compare
= Chainstay, BB Drop
Stack, Reach, Head Tube Angle, Seat Tube Angle, Wheelbase, Trail, Top Tube, TT Slope
Endurance Road
70%Trek
XS → 47cm70% Compare
S → 50cm65% Compare
M → 54cm62% Compare
L → 56cm49% Compare
XL → 60cm37% Compare
XXL → 62cm29% Compare
= Head Tube Angle, Chainstay
Stack, Reach, Seat Tube Angle, Wheelbase, Trail, BB Drop, Top Tube
TAVELO WILDAll-road/Gravel
69%Tavelo
XS → 46034% Compare
S → 49050% Compare
M → 49054% Compare
L → 53065% Compare
XL → 56069% Compare
XXL → 56043% Compare
= Head Tube Angle, Seat Tube Angle, TT Slope
Stack, Reach, Chainstay, Wheelbase, Trail, BB Drop, Top Tube
$1,300
Endurance Road
69%Orbea
XS → 4762% Compare
S → 4960% Compare
M → 5169% Compare
L → 5362% Compare
XL → 5758% Compare
XXL → 6056% Compare
= Head Tube Angle, Chainstay
Stack, Reach, Seat Tube Angle, Wheelbase, Trail, BB Drop, Top Tube
TT Slope
Got this part?

Sign up and share your experience — help other riders decide!

Create Account & Review