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BH SL1 4.0 vs Megamo Raise 15

BH SL1 4.0, side view

BH

SL1 4.0

Megamo Raise 15, side view

Megamo

Raise 15

High endCarbon700c2026
High endCarbon700c2026

Close on the specs and the list price: here are their 10 differences, line by line.

BH SL1 4.0, side viewBHBH SL1 4.0
Megamo Raise 15, side viewMegamoMegamo Raise 15

At a glance

Key specs3 differences
Model yearSame for all 2026 2026
FrameSame for all Carbon °Value not published by the brand Carbon °Value not published by the brand
Wheelset 700c · Vision Team35 °Value not published by the brand 700c · Fulcrum Racing 800 DB °Value not published by the brand
DrivetrainSame for all 2×12 2×12
GroupsetSame for all Shimano 105 Di2 °Value not published by the brand Shimano 105 Di2 °Value not published by the brand
Brake model Shimano 105 hydraulic °Value not published by the brand Shimano 105 Di2 R7170 °Value not published by the brandHigher range
Seatpost BH Lite 27,2 Aerodinamic Advanced Carbon Seat Post / XS, S size 350 mm / M, L, XL size 400 mm

Prices

Each model's retailers, delivered to your country, and their prices over time.

BH SL1 4.0

BH SL1 4.0

Megamo Raise 15

Megamo Raise 15

Affiliate links: no extra cost for you ♥

Character

The bike at a glance: the ground it is made for, how it handles, its gears and its equipment, beside the other bikes of its kind.

  • SL1 4.0 · Road bike made for very smooth ground, neutral handling, rather high equipment.
  • Raise 15 · Road bike all-round, rather nimble, average gearing, rather high equipment.
Terrain
BH SL1 4.0 19%Megamo Raise 15 60%3 bikes9 bikes6 bikes14 bikes · BH SL1 4.011 bikes4 bikes1 bike5 bikes17 bikes16 bikes · Megamo Raise 154 bikes3 bikes9 bikes3 bikes2 bikes4 bikes3 bikes4 bikes4 bikes6 bikes3 bikes
EasyDemanding
Handling
BH SL1 4.0 45%Megamo Raise 15 33%3 bikes5 bikes4 bikes3 bikes6 bikes2 bikes4 bikes3 bikes7 bikes5 bikes4 bikes11 bikes · Megamo Raise 152 bikes6 bikes2 bikes5 bikes · BH SL1 4.07 bikes5 bikes2 bikes2 bikes7 bikes5 bikes7 bikes2 bikes3 bikes6 bikes4 bikes3 bikes3 bikes5 bikes4 bikes4 bikes3 bikes7 bikes1 bike4 bikes
NimbleStable

Gearing

Speed in the lowest and the highest gear at 90 rpm: lower on the left climbs easier, higher on the right goes faster.

  • Megamo Raise 1512 km/h - 55 km/h
Easiest gear (climbing)Hardest gear (descending)
BH SL1 4.0Megamo Raise 15other road bikes

Components and specs

Every spec line by line; the higher range of a component is marked. The technical groups are folded.

Frame and fork
ForkSame for all Carbon °Value not published by the brand Carbon °Value not published by the brand
Axles–Not given Thru-axles °Value not published by the brand
As printed

Carbon Advanced Composite Super Light Frame, Full Internal Cable Routing, Flat mount disc 12x142

Cable routing–Not given Internal °Value not published by the brand
As printed

Full Internal Cable Routing

Drivetrain4 differences
Groupset brandSame for all Shimano °Value not published by the brand Shimano °Value not published by the brand
ShiftingSame for all Electronic, wired °Value not published by the brand
As printed

Shimano 105 Di2 12sp Shimano 105 DI2

 Electronic, wired °Value not published by the brand
As printed

Shimano 105 Di2 R7150, Shadow 12-Speed Shimano 105 Di2 R7170

ChainringsSame for all 2 °Value not published by the brand 2 °Value not published by the brand
Gears at the backSame for all 12 °Value not published by the brand 12 °Value not published by the brand
Chainring teeth Shimano 105 52/36 °Value not published by the brand Shimano 105 R7100 Chainring 52-36T 2x12-Speed, Crankset °Value not published by the brand
Cassette Shimano 105 11/34 °Value not published by the brand Shimano 105 R7101, 11-34T °Value not published by the brand
Rear derailleur Shimano 105 Di2 12sp °Value not published by the brand Shimano 105 Di2 R7150, Shadow 12-Speed °Value not published by the brand
Shifters Shimano 105 DI2 °Value not published by the brand Shimano 105 Di2 R7170 °Value not published by the brand
Brakes
BrakesSame for all Hydraulic disc °Value not published by the brand
As printed

Shimano 105 Disque hydraulique

 Hydraulic disc °Value not published by the brand
As printed

Shimano 105 Disque hydraulique

Wheels and tyres2 differences
Wheel sizeSame for all 700c / 29" °Value not published by the brand 700c / 29" °Value not published by the brand
RimsSame for all Aluminium °Value not published by the brand Aluminium °Value not published by the brand
Tyres Hutchinson Nitro 700x 28 °Value not published by the brand Pirelli P Zero Race TLR Classic 622 x 30 °Value not published by the brand
Tyre width fitted 28 mm °Value not published by the brand 30 mm °Value not published by the brand+2 mm
Cockpit and seatpost2 differences
Handlebar width–Not given 370 mm °Value not published by the brand
Handlebar BH Lite Compact °Value not published by the brand Carbon Full Integratted Internal Cable Routing / XS size 80 x 370 mm / S size 90 x 390 mm / M size 100 x 390 mm / L size 110 x 410 / XL size °Value not published by the brand
Stem BH SL °Value not published by the brand–Not given
Seatpost model BH Lite 27,2 °Value not published by the brand Aerodinamic Advanced Carbon Seat Post / XS, S size 350 mm / M, L, XL size 400 mm °Value not published by the brand

° Value not published by the brand

Geometry

A size per bike (the nearest to the first one's at first), the differences measured from the reference bike.

SL1 4.0 · MRaise 15 · L
  • SL1 4.0 · M
  • Raise 15 · L

Stack and reach

510520530540550560570580360370380390400410420↖ UprightAggressive ↘Reach (mm)Stack (mm)SL1 4.0 · M — Reach (mm) 384 · Stack (mm) 549Raise 15 · L — Reach (mm) 396 · Stack (mm) 550
  • SL1 4.0 · M SL1 4.0 · M — Reach (mm) 384 · Stack (mm) 549
  • Raise 15 · L Raise 15 · L — Reach (mm) 396 · Stack (mm) 550
Geometry14 differences
Size M L
Reach 384 mm 396 mm +12 mm
Stack 549 mm 550 mm +1 mm
Top tube (effective) 557 mm 554 mm −3 mm
Seat tube 463 mm 503 mm +40 mm
Head tube 150 mm 145 mm −5 mm
Head angle 73° 73.5° +0.5°
Seat angle 72.5° 74° +1.5°
ChainstaysSame for all 410 mm 410 mm
Wheelbase 982 mm 990 mm +8 mm
Front centre 580 mm 590 mm +10 mm
BB drop 65 mm 69 mm +4 mm
BB height 271 mm 267 mm −4 mm
Fork offset 43 mm 45 mm +2 mm
Trail 58 mm 53 mm −5 mm

Where to buy them

Compare the whole BH SL1 rangeCompare the whole Megamo Raise range

Frequently asked questions

What groupset do BH SL1 4.0 and Megamo Raise 15 come with?

BH SL1 4.0: Shimano 105 Di2. Megamo Raise 15: Shimano 105 Di2.

How do BH SL1 4.0 and Megamo Raise 15 compare on geometry?

In size M, BH SL1 4.0 has a stack of 549 mm for a reach of 384 mm; in size L, Megamo Raise 15 has 550 mm for 396 mm. More stack for the reach means a more upright position.

Other comparisons

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