BD-R07B is positioned as a BMX racing rear hub built for riders who need fast acceleration and precise response on the track. According to the supplied product data, its key specifications are 216 points of engagement, disc brake design, a single-speed configuration, compatibility with 14T to 18T cogs, a M10 (10mm) bolt-type axle, and 110mm spacing. The internal mechanism is specified as a 12-pawl system combined with a double-roll 54-tooth ratchet. These points define the page content and should be repeated consistently across SEO title, description, specification table, features, and installation guidance. BMX racing places high demand on immediate power delivery because riders need to accelerate quickly from the gate and maintain responsiveness through short, technical sections. The engagement specification is therefore the central performance message for BD-R07B. The single-speed setup and 14T to 18T cog support allow riders to choose gearing based on track condition and riding style while staying within the provided compatibility range. For installation, the rider or mechanic should confirm the frame standard, axle type, hub width, cog compatibility, and brake system before assembly. This product page intentionally avoids adding unprovided details such as hub shell material, bearing count, spoke hole count, exact weight, flange dimensions, or engagement angle. All technical statements remain limited to the supplied BMX racing product data. Shares the same internal structure as BD-R07 while using a traditional bolt-type axle format.

Technical Specification

Product Features & Benefits

• BMX racing rear hub with 216 points of engagement.
• Disc brake design as provided in the source data.
• Single-speed configuration compatible with 14T to 18T cogs.
• M10 (10mm) bolt-type axle with 110mm spacing.
• Uses a 12-pawl system combined with a double-roll 54-tooth ratchet as provided.

Applications

• BMX racing riders requiring strong acceleration and responsive power transfer.
• Race starts, sprinting, and track sections where reduced pedal lag is important.
• Builds compatible with M10 (10mm) bolt-type axle, 110mm spacing, and disc brake design.

Installation Guide / Recommendations

• Confirm the frame supports 110mm spacing and the M10 (10mm) bolt-type axle before installation.
• Use only 14T to 18T cogs for the single-speed setup.
• Check brake compatibility: Disc brake design.
• After installation, confirm secure axle fastening and smooth hub rotation.

Related Products

• BD-R03
• BR-R03
• BD-R06
• BD-R07