Park Tool HCW-5 Lockring Spanner
The HCW-5 Lockring Spanner is a purpose-built lockring tool favored for its precise fit, slim profile and durable steel construction, which makes it particularly efficient on notched bottom bracket lockrings. It holds a market-leader position for everyday shop use because it delivers reliable engagement at a lower price than many precision-machined competitors, while remaining complementary to Park’s pin and fixed cup spanners for other BB types.
Slim profile
Precision fit
Slim profile
Precision fit
Review Summary
"Users consistently praise the HCW-5 for its rugged, machined-steel construction and precise engagement with standard bottom bracket lockrings, making it a go-to for long-term home and shop use. A few note it's a specialized size so it isn't universal for non-standard rings."
Grips like a magnet
Designed for removing and installing common bottom bracket cup lockrings and similar threaded rings.
Grips like a magnet
Designed for removing and installing common bottom bracket cup lockrings and similar threaded rings.
Skill Development & Mastery
Time-Saving Convenience
The HCW-5 Lockring Spanner is a purpose-built lockring tool favored for its precise fit, slim profile and durable steel construction, which makes it particularly efficient on notched bottom bracket lockrings. It holds a market-leader position for everyday shop use because it delivers reliable engagement at a lower price than many precision-machined competitors, while remaining complementary to Park’s pin and fixed cup spanners for other BB types.
Slim profile
Precision fit
Grips like a magnet
Designed for removing and installing common bottom bracket cup lockrings and similar threaded rings.
Compact, single-piece steel construction provides reliable leverage in tight spaces.
Slim profile
Precision fit
Grips like a magnet
Designed for removing and installing common bottom bracket cup lockrings and similar threaded rings.
Compact, single-piece steel construction provides reliable leverage in tight spaces.
$15-25 USD
Park Tool SPA-2 Pin Spanner
The SPA-2 Pin Spanner is designed for adjustable cups and threaded parts with recessed holes, offering accurate two-pin engagement and a narrow profile to reach tight recesses. Its technical advantage is targeted precision compared with hook-style or fixed cup wrenches, making it the go-to choice when holes—notches or flats—are the engagement method, and it pairs economically with Park’s other BB tools for a complete service kit.
Dual pins
Sturdy reach
Dual pins
Sturdy reach
Review Summary
"Buyers report the SPA-2 pin spanner is well-built with accurate pin spacing and reliable leverage for adjustable cup lockrings, holding up after repeated use. Some users warn pins can wear or slip if misused, but overall satisfaction is high."
Pins wink back
Features hardened steel pins to engage recessed holes on lockrings and adjustable cups.
Pins wink back
Features hardened steel pins to engage recessed holes on lockrings and adjustable cups.
Skill Development & Mastery
Recreational Enjoyment
Time-Saving Convenience
The SPA-2 Pin Spanner is designed for adjustable cups and threaded parts with recessed holes, offering accurate two-pin engagement and a narrow profile to reach tight recesses. Its technical advantage is targeted precision compared with hook-style or fixed cup wrenches, making it the go-to choice when holes—notches or flats—are the engagement method, and it pairs economically with Park’s other BB tools for a complete service kit.
Dual pins
Sturdy reach
Pins wink back
Features hardened steel pins to engage recessed holes on lockrings and adjustable cups.
Adjustable pin spacing to accommodate a range of hole patterns and depths.
Dual pins
Sturdy reach
Pins wink back
Features hardened steel pins to engage recessed holes on lockrings and adjustable cups.
Adjustable pin spacing to accommodate a range of hole patterns and depths.
$18-30 USD
Cyclus Tools Adjustable Hook Wrench 720655
The Cyclus Tools Adjustable Hook Wrench 720655 earns its place by covering a wide range of lockring and adjustable cup diameters with a single adjustable jaw, providing a cost-effective solution for workshops that prefer one versatile tool over several size-specific spanners. While it lacks the ultra-precise pin engagement of Park’s SPA-2 or the exact fit of Unior’s machined wrench, its financial and space-saving advantage makes it attractive for home mechanics and smaller shops.
Adjustable jaw
Wide span
Adjustable jaw
Wide span
Review Summary
"The Cyclus Tools adjustable hook wrench is seen as a good-value, versatile option that fits a range of lockrings and adjustable cups; reviewers like the adjustability and price. A minority mention rough finish, occasional fit limitations on certain sizes, and less refinement than premium brands."
Chameleon grip
Adjustable hook design fits multiple lockring diameters for versatile workshop use.
Chameleon grip
Adjustable hook design fits multiple lockring diameters for versatile workshop use.
Skill Development & Mastery
Time-Saving Convenience
The Cyclus Tools Adjustable Hook Wrench 720655 earns its place by covering a wide range of lockring and adjustable cup diameters with a single adjustable jaw, providing a cost-effective solution for workshops that prefer one versatile tool over several size-specific spanners. While it lacks the ultra-precise pin engagement of Park’s SPA-2 or the exact fit of Unior’s machined wrench, its financial and space-saving advantage makes it attractive for home mechanics and smaller shops.
Adjustable jaw
Wide span
Chameleon grip
Adjustable hook design fits multiple lockring diameters for versatile workshop use.
Robust, heat-treated steel construction handles higher torque without slipping.
Adjustable jaw
Wide span
Chameleon grip
Adjustable hook design fits multiple lockring diameters for versatile workshop use.
Robust, heat-treated steel construction handles higher torque without slipping.
$40-65 USD
Park Tool HCW-17 Fixed Cup Wrench
The HCW-17 Fixed Cup Wrench is a robust fixed-size cup wrench that delivers high leverage and a thin, accurate profile to avoid marring cup faces, making it ideal for stubborn fixed cups and service jobs requiring a solid, non-adjustable fit. Its specialization offers a technical advantage over adjustable hook wrenches for repeatable, heavy-duty use, and it sits competitively on price relative to premium European machined options.
One-piece steel
Exact cup-fit
One-piece steel
Exact cup-fit
Review Summary
"The Park Tool HCW-17 gets strong marks for exact fit, heavy-duty build and long-term durability, making it popular among mechanics who want a fixed, dependable cup wrench. It's considered slightly pricier than generic options but worth it for the reliability."
Makes cups surrender
Fixed-width openings match common bottom bracket cup sizes for a precise fit.
Makes cups surrender
Fixed-width openings match common bottom bracket cup sizes for a precise fit.
Skill Development & Mastery
Time-Saving Convenience
The HCW-17 Fixed Cup Wrench is a robust fixed-size cup wrench that delivers high leverage and a thin, accurate profile to avoid marring cup faces, making it ideal for stubborn fixed cups and service jobs requiring a solid, non-adjustable fit. Its specialization offers a technical advantage over adjustable hook wrenches for repeatable, heavy-duty use, and it sits competitively on price relative to premium European machined options.
One-piece steel
Exact cup-fit
Makes cups surrender
Fixed-width openings match common bottom bracket cup sizes for a precise fit.
Thin-profile head reaches recessed cups where bulkier tools cannot.
One-piece steel
Exact cup-fit
Makes cups surrender
Fixed-width openings match common bottom bracket cup sizes for a precise fit.
Thin-profile head reaches recessed cups where bulkier tools cannot.
$18-35 USD
Unior Bottom Bracket Wrench 1623/2BI
The Unior Bottom Bracket Wrench 1623/2BI is a precision CNC-machined tool built for professional shops that need exact tolerances, superior surface finish and long-term durability under high torque. It commands a premium price compared with simpler park models, but that cost buys tighter clearances and a more positive engagement that reduces slippage risk under heavy use, making it the preferred choice where longevity and accuracy are prioritized.
Ergo handle
Polished teeth
Ergo handle
Polished teeth
Review Summary
"Users applaud the Unior 1623/2BI for its precise machining, ergonomic handling and lasting durability on various bottom bracket cups, making it a professional-grade choice. A few buyers mention it feels heavier than some competitors, but performance is consistently rated highly."
Turns like butter
Double-ended design covers multiple bottom bracket standards for shop versatility.
Turns like butter
Double-ended design covers multiple bottom bracket standards for shop versatility.
Skill Development & Mastery
Time-Saving Convenience
Recreational Enjoyment
The Unior Bottom Bracket Wrench 1623/2BI is a precision CNC-machined tool built for professional shops that need exact tolerances, superior surface finish and long-term durability under high torque. It commands a premium price compared with simpler park models, but that cost buys tighter clearances and a more positive engagement that reduces slippage risk under heavy use, making it the preferred choice where longevity and accuracy are prioritized.
Ergo handle
Polished teeth
Turns like butter
Double-ended design covers multiple bottom bracket standards for shop versatility.
Forged steel construction delivers high strength and long-term durability.
Ergo handle
Polished teeth
Turns like butter
Double-ended design covers multiple bottom bracket standards for shop versatility.
Forged steel construction delivers high strength and long-term durability.
$55-95 USD