
Chain Tensioner SHIMANO ALFINE CT-S510
The SHIMANO ALFINE CT-S510 suits vertical dropouts, ensuring smooth, precise power transfer and seamless compatibility with ALFINE systems for daily riding.
Chain accessories are an essential part of bicycle drivetrain maintenance and reliability. This category includes chain quick links, chain pins and chain tensioners for internally geared hubs, ensuring correct installation, proper chain tension and safe operation.
Quick links allow fast chain connection and removal for cleaning or servicing, while chain pins provide a secure and permanent link. On bikes with internal gear hubs, chain tensioners are crucial for maintaining consistent tension and smooth performance.
Choosing the right chain accessories helps extend the lifespan of the chain and sprockets and improves overall drivetrain reliability for daily riding and longer cycling trips.

The SHIMANO ALFINE CT-S510 suits vertical dropouts, ensuring smooth, precise power transfer and seamless compatibility with ALFINE systems for daily riding.

Shimano ALFINE CT-S500 chain tensioner offers smooth and quiet chain control for Alfine hub bikes, ideal for city commuting and touring setups.

Shimano CN-7700 connecting pins (5pcs) for super narrow 9-speed HG chains. 6.5 mm length, reliable and precise assembly. Part number #069 9801.

KMC 11R EPT silver reusable chain link (2pcs). Fits KMC, Shimano, Campagnolo & SRAM 11-speed chains. Opening tool required.

Reusable KMC 11R Ti-N gold master link (2pcs) for 11-speed KMC, Shimano, Campagnolo & SRAM chains. Tool required; 5.65 mm pin and durable titanium-nitride finish.

KMC MissingLink 12NR Ti-N Gold connector for Shimano, SRAM, KMC and Campagnolo 12-speed chains. Strong, stylish and reliable.

Nickel-plated silver non-reusable MissingLink for KMC X FLAT and XSL FLAT 12/13-speed chains.

KMC MissingLink 12NR DLC connector for Shimano, SRAM, KMC and Campagnolo 12-speed chains. DLC coated, non-reusable.

Shimano SM-CN910-12 Quick Link for 12-speed Hyperglide+ chains, featuring SIL-TEC coating. OEM spare part supplied without retail packaging.

KMC 10-speed Ti-N gold reusable link (2pcs). Fits KMC & Shimano 10-speed chains. Durable titanium nitride coating for long life.


KMC 11s EPT silver chain link fits all 11-speed chains. Reusable, requires a tool for use, and provides maximum corrosion resistance.

KMC MissingLink 12NR EPT silver connector for 12-speed chains. EPT coating resists corrosion. Single-use design. Size 1/2"×11/128", pin length 5.2 mm.

Shimano SM-CN900-11 Quick-Link is a single-use connector for HG 11-speed chains. Tool-free assembly and a secure fit for road, MTB, gravel and e-bikes. 1 pc.

KMC 9R EPT silver chain link (2pcs). Fits KMC, Shimano & SRAM 9-speed chains. EPT coating provides excellent anti-rust protection.

KMC 9R Ti-N gold reusable chain link (2pcs). Fits KMC, Shimano & SRAM 9-speed chains. Durable titanium nitride finish.

SRAM PowerLock Rainbow chain connector for 12-speed Eagle chains. Tool-free, single-use link ensures fast maintenance and stylish looks.

SRAM PowerLock silver chain connector for 12-speed Eagle chains. Tool-free single-use link provides quick maintenance and reliable connection.

SRAM Flattop PowerLock silver chain connector for 12-speed Red, Force, and Rival road chains. Tool-free, single-use lock for easy maintenance.

KMC X-Glide NR EPT chain connector for 9-11-speed KMC xGlide chains and Shimano CUES drivetrains, with maximum EPT anti-rust protection.

KMC MissingLink 7/8R EPT silver chain link for KMC and SRAM 7/8-speed chains. EcoProTeQ coated, re-usable.

KMC MissingLink 7/8R EPT silver chain link for KMC and Shimano 6/7/8-speed chains. EcoProTeQ coated, re-usable.

KMC Snap-On Narrow EPT silver chain connector for joining a narrow bicycle chain. Includes 2 connectors, suitable for chain installation, service and repair.

KMC Snap-On Wide EPT Silver connector for singlespeed bikes. EcoProTeQ anti-rust technology, eco-friendly, highly durable.

KMC 101NR EPT chain link for 1/8" single-speed chains. Tool-free connection and EcoProTeQ coating for smooth running and longer service life.

Durable chain pin for wide KMC single speed chains, ideal for secure chain connection and maintenance.

KMC MissingLink 9R EPT Silver is a connector for 9-speed chains. Tool-free installation, maximum rust protection, and long-lasting performance.

KMC MissingLink 7/8R EPT silver connector for 6–8-speed chains. Reusable, tool-free design with EPT coating for maximum corrosion protection.

KMC Halflink O/L-1/8 EPT chain link for single-speed and BMX bikes. Precise chain adjustment with Halflink design, rust protection with EPT coating.

KMC Snap-On Narrow EPT master link for 1/2" x 3/32" chains. Tool-free fit for singlespeed and IGH; EPT coating offers excellent corrosion protection and easy upkeep.