
OneUpChain Guide ISCG05 V2
€69.99 RRP from OneUp EU store (eu.oneupcomponents.com), VAT incl.
- Mount
- ISCG05
- Capacity
- 26–38T
- Chainline adjust
- 7.5 mm
- Weight
- 40 g
- Weight
- 40 gclaimed
Overview
OneUp's ISCG05 Chain Guide V2 is a 40 g top guide for 26–38T rings that installs without removing the crank. EU RRP is €69.99.
OneUp's ISCG05 Chain Guide V2 is a minimalist top guide for bikes with ISCG05 tabs. It installs without removing the crank, adjusts with a single 4 mm hex key and has a tool-free flip-up upper guide.
It fits 26T to 38T rings, including oval rings, is Boost compatible and weighs a claimed 40 g. OneUp lists some frames as incompatible, including the current Trek Slash and Fuel EX, the Ibis Ripmo and the Commencal Meta SX V5.
- ISCG05 mount, Boost and oval compatible
- Tool-free flip-up top guide
- Fits 26–38T chainrings
- 40 g claimed
Gallery






Full specifications
General
- Weight
- 40 g
- Capacity
- 26–38T
- Chainline
- 7.5 mm adjustment
- Mount
- ISCG05
- Material
- 7075 aluminium; top guide glass-reinforced thermoplastic
Compatibility
- Boost / oval
- Boost compatible, oval ring compatible
- Not compatible
- Current Trek Slash & Fuel EX (Gen 6) carbon & alloy, Ibis Ripmo & Ripmo AF, Commencal Meta SX V5
Manufacturer specification — OneUp. Specs and prices can change; check with the brand or your dealer.
OneUp Chain Guide versions compared
| E-Chainguide Bosch | Chain Guide ISCG05 V2 | |
|---|---|---|
| Price | — | €69.99 |
| Mount | Bosch motor | ISCG05 |
| Capacity | 32–38T | 26–38T |
| Chainline adjust | Up to 6 mm | 7.5 mm |
| Weight | 45 g | 40 g |
| Weight | 45 g | 40 g |
| E-bike rated | Yes | — |
OneUp Chain Guide ISCG05 V2: FAQ
How much does the OneUp Chain Guide ISCG05 V2 cost?
€69.99 (RRP from OneUp EU store (eu.oneupcomponents.com), VAT incl.). Prices vary by country and retailer.
How much does the OneUp Chain Guide ISCG05 V2 weigh?
OneUp quotes 40 g (claimed).
Is the OneUp Chain Guide ISCG05 V2 suitable for e-bikes?
OneUp does not specifically rate it for e-bikes. Check the manufacturer’s approval and your bike maker’s recommendations before fitting it to an eMTB.
What are the key specs of the OneUp Chain Guide ISCG05 V2?
Mount: ISCG05; Capacity: 26–38T; Chainline adjust: 7.5 mm; Weight: 40 g.
What other versions of the OneUp Chain Guide are there?
E-Chainguide Bosch.