Drivetrain parts for the Trek Domane AL 2 Gen 4

We have not verified this bike yet

12 of the 14 measurements are on file; 6 confirmed by two independent sources.

A documented replacement can be recommended even while unrelated bike measurements are missing.

KMC X8 chain, 8-speed
Chain
fits · confidence: verified
Why? The facts we compared (2 dimensions compared)
- Rear speeds: bike 8 speeds (verified) · part 8 speeds — match
- Chain standard: bike 6 / 7 / 8-speed (verified) · part 6 / 7 / 8-speed — match
Sources:
- Trek Bicycle — Domane AL 2 Gen 4 · Canada archive SKU 5301345 · specification and size table (tier 1)
- Trek Bicycle — Domane AL 2 Gen 4 Canadian family 41587 — exact component service identities and seven-size applicability (tier 1)
- Shimano — Shimano 2024–2025 specifications v3.2 — exact HG71, RS200, UN300 and R2000-GS tables (tier 1)
- Specialized — Diverge E5 Shimano Claris · Canadian product 4223493 / displayed ID 223493 (tier 1, read 2026-10-17)
- KMC — KMC X8 — 8-speed drivetrain compatibility (tier 1, read 2026-10-17)
Choose enough links for your drivetrain, then size the chain to the bike. Use the new quick link or joining pin specified by the manufacturer.
- KMC official siteModel page. Confirm variant, availability and delivery.
- Search Amazon.caSearch only · exact model and availability unverified.
Muc-Off C3 Dry Weather Ceramic chain lube, 120 ml
Chain lube
fits · confidence: verified
Universal part: zero fit requirements, nothing to be wrong about.
Universal — no fit requirement
- Muc-Off official siteModel page. Confirm variant, availability and delivery.
- Search Amazon.caSearch only · exact model and availability unverified.
Shimano CN-HG71 chain, 6/7/8-speed
Chain
fits · confidence: verified
Why? The facts we compared (1 dimension compared)
- Chain standard: bike 6 / 7 / 8-speed (verified) · part 6 / 7 / 8-speed — match
Sources:
Choose enough links for your drivetrain, then size the chain to the bike. Use the new quick link or joining pin specified by the manufacturer.
- Shimano official siteModel page. Confirm variant, availability and delivery.
- Search Amazon.caSearch only · exact model and availability unverified.
OneUp Components Chain Guide ISCG05 V2
Chain guide
unknown · confidence: single-source
- ISCG chain-guide tabs : ISCG 05Check your installed setup or its technical sheet.
Why? The facts we compared (1 dimension compared)
- ISCG chain-guide tabs: bike nothing on file · part ISCG 05 — not on file
Sources:
- OneUp Components — Chain Guide - ISCG05 - V2 (tier 1, read 2026-08-21)
View specifications
SRAM DUB BSA bottom bracket, 68/73 mm
Bottom bracket
unknown · confidence: single-source
- Crank spindle : SRAM DUB (28.99 mm)Check your installed setup or its technical sheet.
Why? The facts we compared (2 dimensions compared)
- Bottom bracket shell: bike BSA / English threaded, 68 mm (verified) · part BSA / English threaded, 68 mm or BSA / English threaded, 73 mm — match
- Crank spindle: bike nothing on file · part SRAM DUB (28.99 mm) — not on file
Sources:
View specifications
Wheels Manufacturing Threaded Road ABEC-3 BB for 24 mm cranks (BSA 68)
Bottom bracket
unknown · confidence: single-source
- Crank spindle : Shimano Hollowtech II, 24 mmCheck your installed setup or its technical sheet.
Why? The facts we compared (2 dimensions compared)
- Bottom bracket shell: bike BSA / English threaded, 68 mm (verified) · part BSA / English threaded, 68 mm — match
- Crank spindle: bike nothing on file · part Shimano Hollowtech II, 24 mm — not on file
Sources:
View specifications
KMC e12 e-bike chain, 12-speed
Chain
does not fit · confidence: single-source
- Chain standard : 12-speed HG+ / Eagle (5.25 mm)Does not match the documented build.
Why? The facts we compared (1 dimension compared)
- Chain standard: bike 6 / 7 / 8-speed (verified) · part 12-speed HG+ / Eagle (5.25 mm) — mismatch
Sources:
View specifications
KMC eGlide EPT long chain, 132 links
Chain
does not fit · confidence: single-source
- Chain standard : Shimano LINKGLIDE / CUES 9–11-speedDoes not match the documented build.
- Chain compatibility family : Shimano LINKGLIDE chain familyCheck your installed setup or its technical sheet.
Why? The facts we compared (2 dimensions compared)
- Chain standard: bike 6 / 7 / 8-speed (verified) · part Shimano LINKGLIDE / CUES 9–11-speed — mismatch
- Chain compatibility family: bike nothing on file · part Shimano LINKGLIDE chain family — not on file
Sources:
View specifications
KMC X10 chain, 10-speed
Chain
does not fit · confidence: single-source
- Chain standard : 10-speed (6.0 mm)Does not match the documented build.
Why? The facts we compared (1 dimension compared)
- Chain standard: bike 6 / 7 / 8-speed (verified) · part 10-speed (6.0 mm) — mismatch
Sources:
View specifications
KMC X11 chain, 11-speed
Chain
does not fit · confidence: single-source
- Chain standard : 11-speed (5.5 mm)Does not match the documented build.
Why? The facts we compared (1 dimension compared)
- Chain standard: bike 6 / 7 / 8-speed (verified) · part 11-speed (5.5 mm) — mismatch
Sources:
View specifications
KMC X12 chain, 12-speed (Eagle / Campagnolo)
Chain
does not fit · confidence: inferred
- Chain standard : 12-speed HG+ / Eagle (5.25 mm)Does not match the documented build.
Why? The facts we compared (1 dimension compared)
- Chain standard: bike 6 / 7 / 8-speed (verified) · part 12-speed HG+ / Eagle (5.25 mm) — mismatch
Sources:
View specifications
KMC X9 chain, 9-speed
Chain
does not fit · confidence: single-source
- Chain standard : 9-speed (6.6 mm)Does not match the documented build.
Why? The facts we compared (1 dimension compared)
- Chain standard: bike 6 / 7 / 8-speed (verified) · part 9-speed (6.6 mm) — mismatch
Sources:
View specifications
Shimano 105 FD-R7000-F front derailleur, braze-on, 2×11-speed
Front derailleur
does not fit · confidence: inferred
- Front derailleur mount : Braze-onDoes not match the documented build.
- Rear speeds : 11 speedsDoes not match the documented build.
- Chainline : 43.5 mmMatch requires corroboration from an independent technical source.
- Chain standard : 11-speed (5.5 mm)Does not match the documented build.
- Front chainring count : 2 ringsMatch requires corroboration from an independent technical source.
- Fitted outer chainring teeth : 46–53 tMatch requires corroboration from an independent technical source.
- Difference between front chainrings : ≤ 16 tMatch requires corroboration from an independent technical source.
- Chainstay angle for front derailleur : 61–66 degreesCheck your installed setup or its technical sheet.
- Front shifting actuation : Shimano road mechanical 11-speed front shiftingCheck your installed setup or its technical sheet.
- Front chainset shifting interface : Shimano FC-R9100/P, R8000, R7000 and RS510 shifting interfaceCheck your installed setup or its technical sheet.
- Chain compatibility family : Shimano HG 11-speed chain family or Shimano LINKGLIDE chain familyCheck your installed setup or its technical sheet.
Why? The facts we compared (11 dimensions compared)
- Front derailleur mount: bike Band clamp, 31.8 mm (single-source) · part Braze-on — mismatch
- Rear speeds: bike 8 speeds (verified) · part 11 speeds — mismatch
- Chainline: bike 43.5 mm (verified) · part 43.5 mm — match
- Chain standard: bike 6 / 7 / 8-speed (verified) · part 11-speed (5.5 mm) — mismatch
- Front chainring count: bike 2 rings (verified) · part 2 rings — match
- Fitted outer chainring teeth: bike 50 t (verified) · part 46–53 t — match
- Difference between front chainrings: bike 16 t (verified) · part ≤ 16 t — match
- Chainstay angle for front derailleur: bike nothing on file · part 61–66 degrees — not on file
- Front shifting actuation: bike nothing on file · part Shimano road mechanical 11-speed front shifting — not on file
- Front chainset shifting interface: bike nothing on file · part Shimano FC-R9100/P, R8000, R7000 and RS510 shifting interface — not on file
- Chain compatibility family: bike nothing on file · part Shimano HG 11-speed chain family or Shimano LINKGLIDE chain family — not on file
Sources:
View specifications
Shimano CN-LG500 LINKGLIDE chain
Chain
does not fit · confidence: verified
- Chain standard : Shimano LINKGLIDE / CUES 9–11-speedDoes not match the documented build.
- Chain compatibility family : Shimano LINKGLIDE chain familyCheck your installed setup or its technical sheet.
Why? The facts we compared (2 dimensions compared)
- Chain standard: bike 6 / 7 / 8-speed (verified) · part Shimano LINKGLIDE / CUES 9–11-speed — mismatch
- Chain compatibility family: bike nothing on file · part Shimano LINKGLIDE chain family — not on file
Sources:
- Trek Bicycle — Domane AL 2 Gen 4 Canadian family 41587 — exact component service identities and seven-size applicability (tier 1)
- Shimano — Shimano 2024–2025 specifications v3.2 — exact HG71, RS200, UN300 and R2000-GS tables (tier 1)
- Trek Bicycle Corporation — Trek Marlin 5 Gen 3 · Canada · product 57363 · component specifications (tier 1, read 2026-10-17)
- Shimano — CN-LG500 North American live product specification (tier 1, read 2026-10-17)
- Shimano — CUES TD-CUES-003 — component specifications and compatibility charts (tier 1, read 2026-10-17)
View specifications
SRAM DUB BB30 bottom bracket
Bottom bracket
does not fit · confidence: single-source
- Bottom bracket shell : BB30 (42 mm bore, 68 mm) or BB30, 73 mm or BBright (Cervélo, 46 mm bore, 79 mm)Does not match the documented build.
- Crank spindle : SRAM DUB (28.99 mm)Check your installed setup or its technical sheet.
Why? The facts we compared (2 dimensions compared)
- Bottom bracket shell: bike BSA / English threaded, 68 mm (verified) · part BB30 (42 mm bore, 68 mm) or BB30, 73 mm or BBright (Cervélo, 46 mm bore, 79 mm) — mismatch
- Crank spindle: bike nothing on file · part SRAM DUB (28.99 mm) — not on file
Sources:
View specifications
SRAM DUB BSA bottom bracket, 83 mm (DH)
Bottom bracket
does not fit · confidence: single-source
- Bottom bracket shell : BSA / English threaded, 83 mmDoes not match the documented build.
- Crank spindle : SRAM DUB (28.99 mm)Check your installed setup or its technical sheet.
Why? The facts we compared (2 dimensions compared)
- Bottom bracket shell: bike BSA / English threaded, 68 mm (verified) · part BSA / English threaded, 83 mm — mismatch
- Crank spindle: bike nothing on file · part SRAM DUB (28.99 mm) — not on file
Sources:
View specifications
SRAM DUB PressFit bottom bracket, PF86.5/89.5/92
Bottom bracket
does not fit · confidence: single-source
- Bottom bracket shell : Press-fit BB86 (41 mm bore, 86.5 mm) or Press-fit BB92 (41 mm bore, 91.5 mm)Does not match the documented build.
- Crank spindle : SRAM DUB (28.99 mm)Check your installed setup or its technical sheet.
Why? The facts we compared (2 dimensions compared)
- Bottom bracket shell: bike BSA / English threaded, 68 mm (verified) · part Press-fit BB86 (41 mm bore, 86.5 mm) or Press-fit BB92 (41 mm bore, 91.5 mm) — mismatch
- Crank spindle: bike nothing on file · part SRAM DUB (28.99 mm) — not on file
Sources:
View specifications
SRAM DUB PressFit30 bottom bracket
Bottom bracket
does not fit · confidence: single-source
- Bottom bracket shell : Press-fit PF30 (46 mm bore, 68 mm) or Press-fit PF30, 73 mm or BB386EVO (46 mm bore, 86.5 mm) or BBright (Cervélo, 46 mm bore, 79 mm)Does not match the documented build.
- Crank spindle : SRAM DUB (28.99 mm)Check your installed setup or its technical sheet.
Why? The facts we compared (2 dimensions compared)
- Bottom bracket shell: bike BSA / English threaded, 68 mm (verified) · part Press-fit PF30 (46 mm bore, 68 mm) or Press-fit PF30, 73 mm or BB386EVO (46 mm bore, 86.5 mm) or BBright (Cervélo, 46 mm bore, 79 mm) — mismatch
- Crank spindle: bike nothing on file · part SRAM DUB (28.99 mm) — not on file
Sources:
View specifications
SRAM GX Eagle chain, 12-speed
Chain
does not fit · confidence: single-source
- Chain standard : 12-speed HG+ / Eagle (5.25 mm)Does not match the documented build.
Why? The facts we compared (1 dimension compared)
- Chain standard: bike 6 / 7 / 8-speed (verified) · part 12-speed HG+ / Eagle (5.25 mm) — mismatch
Sources:
View specifications

Slots in this region

Bottom bracket
Chain guide
Front derailleur
Chain
Chain lube

The drivetrain of the Trek Domane AL 2 Gen 4: 5 slots — Bottom bracket, Chain guide, Front derailleur, Chain and Chain lube. 4 fit facts on file for this region. The parts menu below lists every catalogued part that belongs here with its computed verdict — fits, fits with adapter, does not fit or unknown — and why.

"Drivetrain" here is the residual region: chain, front derailleur, bottom bracket, chain guide and chain lube. The cassette, rear derailleur and crankset each have their own region.

Chain standard	6 / 7 / 8-speed (verified)
Front chainring count	2 rings (verified)
Fitted outer chainring teeth	50 t (verified)
Difference between front chainrings	16 t (verified)

What does "unknown" mean on this page?: That we do not have, on file, the bike measurement this part needs. It is not a quiet "yes": until the measurement is on file, we do not sell the part for this bike.

Sources

Shimano — Shimano 2024–2025 specifications v3.2 — exact HG71, RS200, UN300 and R2000-GS tables (tier 1, read 2026-10-17)
Trek Bicycle — Domane AL 2 Gen 4 Canadian family 41587 — exact component service identities and seven-size applicability (tier 1, read 2026-10-17)

Parts menu — 19 parts

Slots in this region

Sources